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. Author manuscript; available in PMC: 2022 Aug 1.
Published in final edited form as: Hum Mutat. 2021 Jun 24;42(8):903–946. doi: 10.1002/humu.24238

Table 2.

Summary of data for mOLF-resident myocilin (Refseq NM_000261.2) variants predicted to be benign, pathogenic, or likely pathogenic.

 A. Benign
Variant Clinical Data Cell Assaysa Thermal Stability Structure Analysis Additional Variants Other

p.Thr293Lys
c.878C>A
Diagnosis
● POAG (Alward et al., 1998; Alward et al., 2002; Ennis et al., 2010; Faucher et al., 2002; Fingert et al., 1999; Millá et al., 2013; Williams-Lyn et al., 2000)
● Exfoliation Syndrome (Alward et al., 2002)
● NTG (Weisschuh, Neumann, Wolf, Wissinger, & Gramer, 2005)
● OHT (Faucher et al., 2002)
● PACG (X. Huang et al., 2014)
● Control Group (Faucher et al., 2002)
Country/Ethnicity
● German
● Spanish
● Caucasian
● African American
● Chinese
● English
● Canadian
Family History of POAG/JOAG?
● Yes (Millá et al., 2013)
● No (Ennis et al., 2010; Faucher et al., 2002; X. Huang et al., 2014; Williams-Lyn et al., 2000)
gnomAD?
● Allele count 157, allele frequency 5.6e-4
 ● European, Ashkenazi, Latino
Secretion Assay
● 37 °C
 ○ +++ (Gobeil, Letartre, & Raymond, 2006)
● 30 °C
 ○ n/a

Triton X-100 Solubility Assay
● n/a
● WT-like
 ○ Tm=52.9 °C (Donegan et al., 2015)
Location
● Surface exposed
● Internal loop of Blade C

Interactions
● None

Predicted consequence of substitution
● Tolerated
● p.Thr293Met (c.878C>T)
 ○ gnomAD: Allele count 3, allele frequency 1.21e-5
 ○ Tolerated
● p.Thr293Ala (c.877A>G)
 ○ gnomAD: Allele count 1, allele frequency 4.02e-6
 ○ Tolerated
n/a
p.Val329Met
c.985G>A
Diagnosis
● JOAG (Svidnicki et al., 2018)
● POAG (Fingert et al., 1999; Liu et al., 2012; Shimizu et al., 2000)
● Control Group (Fingert et al., 1999)
Country/Ethnicity
● African American
● Brazilian
Family History of POAG/JOAG?
● Yes (Shimizu et al., 2000)
● gnomAD?
● Allele count 72, allele frequency 2.55e-4
 ○ African/African American
Secretion Assay
● 37 °C
 ○ n/a
● 30 °C
 ○ n/a

Triton X-100 Solubility Assay
● Soluble(Shimizu et al., 2000)
● Slightly destabilized, mouse WT-like (Patterson-Orazem et al., 2019)
 ○ Tm=49.6 °C (Donegan et al., 2015)
Location
● Buried
● Innermost strand of Blade B

Interactions
● Hydrophobic pocket with Blade A

Predicted consequence of substitution
● Tolerated, rearrangement likely
● Met is residue in D. rerio myocilin
n/a n/a
p.Glu352Lys
c.1054G>A
Diagnosis
● POAG (Alward et al., 1998; Faucher et al., 2002; Fingert et al., 1999; Liu et al., 2012; Whigham et al., 2011; Williams-Lyn et al., 2000)
● Control Group (Alward et al., 1998; Fingert et al., 1999; Liu et al., 2012; Svidnicki et al., 2018; Whigham et al., 2011)
● PCG (Millá et al., 2013)
Country/Ethnicity
● Caucasian
● African American
● African Caribbean
● Canadian
● Black South African
● Spanish
● Brazilian
Family History of POAG/JOAG?
● Yes (Williams-Lyn et al., 2000)
● No (Faucher et al., 2002; Williams-Lyn et al., 2000)
gnomAD?
● Allele count 337, allele frequency 1.19e-3
 ○ African/African American
Secretion Assay
● 37 °C
 ○ +++ (Gobeil et al., 2006)
● 30 °C
 ○ n/a

Triton X-100 Solubility Assay
● Soluble (Z. Zhou & Vollrath, 1999)
● Insoluble (Shimizu et al., 2000)
● WT-like based on Glu352Gln (Burns, Turnage, Walker, & Lieberman, 2011) Location
● Surface exposed
● Exterior loop of Blade B

Interactions
● None

Predicted consequence of substitution
● Tolerated
n/a n/a
p.Thr353Ile
c.1058C>T
Diagnosis
● JOAG (Bhattacharjee et al., 2007; Lam et al., 2000; Park et al., 2016; Rose et al., 2011)
● POAG (Banerjee, Bhattacharjee, Ponda, Sen, & Ray, 2012; B. Fan et al., 2002; B. J. Fan et al., 2005; Fingert et al., 1999; Jia, Tam, et al., 2009; Lam et al., 2000; Pang et al., 2002; Yoon, Kim, Moon, Lim, & Joo, 1999; X. M. Zhou et al., 2013)
● NTG (B. J. Fan et al., 2005)
● PACG (Aung et al., 2005)
● Control Group(Aung et al., 2005; B. Fan et al., 2002; B. J. Fan et al., 2005; Lam et al., 2000; Liu et al., 2012; Pang et al., 2002)
Country/Ethnicity
● Korean
● Japanese
● Chinese
● Indian
Family History of POAG/JOAG?
● Yes (B. Fan et al., 2002; Park et al., 2016; Rose et al., 2011; Yoon et al., 1999; X. M. Zhou et al., 2013)
● No (Bhattacharjee et al., 2007)
gnomAD?
● Allele count 191, allele frequency 6.75e-4
 ○ Asian
Secretion Assay
● 37 °C
 ○ +++ (Gobeil et al., 2006)
● 30 °C
 ○ n/a

Triton X-100 Solubility Assay
 ○ n/a
WT-like
 ○ Tm=53.1 °C (Donegan et al., 2015)
Location
● Surface exposed, outer strand of Blade B

Interactions
● Thr351 side chain, solvent

Predicted consequence of substitution
● Tolerated
n/a ● Homozygous carrier had more severe symptoms than heterozygous family members (Yoon et al., 1999)
● Individual heterozygous for Thr353Ile and Asp384Asn had more severe symptoms than father with only Thr353Ile (X. M. Zhou et al., 2013)
● One individual heterozygous for Thr353Ile and Asn480Lys (Rose et al., 2011)
p.Lys398Arg
c.1193G>A
Diagnosis
● POAG (Alward et al., 1998; Alward et al., 2002; Fingert et al., 1999; Hulsman et al., 2002; Jansson, Marknell, Tomic, Larsson, & Wadelius, 2003; Liu et al., 2012; McDonald et al., 2010; O’Gorman et al., 2019; Rakhmanov et al., 2005; Vázquez, Herrero, Bastús, & Pérez, 2009; Vincent et al., 2002; Williams-Lyn et al., 2000)
● Control Group (Alward et al., 1998; Fingert et al., 1999; Hulsman et al., 2002; Liu et al., 2012; Vázquez et al., 2009)
● Exfoliative glaucoma (Jansson et al., 2003)
● Pigmentary glaucoma (Alward et al., 1998; Alward et al., 2002; Fingert et al., 1999)
Country/Ethnicity
● Russian
● Mexican
● Dutch
● Swedish
● English/Scottish
● Canadian
● Spanish
● UK
 ○ African American
● Australian
● Caucasian
Family History of POAG/JOAG?
 ○ n/a
gnomAD?
● Allele count 992, allele frequency 3.51e-3
● European
Secretion Assay
● 37 °C
 ○ +++ (Gobeil et al., 2006; Jacobson et al., 2001)
● 30 °C
 ○ n/a

Triton X-100 Solubility Assay
● Soluble (Shimizu et al., 2000; Z. Zhou & Vollrath, 1999)
WT-like
 ○ Tm=53.8 °C (Burns et al., 2011)
Location
● Surface exposed, loop connecting inner strands of Blade C

Interactions
● None

Predicted consequence of substitution
● Tolerated
n/a n/a
p.Ala445Val
c.1334C>T
Diagnosis
● POAG (Alward et al., 1998; Faucher et al., 2002; Fingert et al., 1999; Lopez-Martinez et al., 2007)
● NTG (Weisschuh et al., 2005)
● Pigmentary glaucoma (Faucher et al., 2002)
● OHT (Vincent et al., 2002)
Country/Ethnicity
● German
● Canadian
● French-Canadian
● Spanish
● Australian
Family History of POAG/JOAG?
● Yes (Vincent et al., 2002)
● No (Faucher et al., 2002)
gnomAD?
● Allele count 57, allele frequency 2.01e-4
Secretion Assay
● 37 °C
 ○ +++ (Gobeil et al., 2006)
● 30 °C
 ○ n/a

Triton X-100 Solubility Assay
 ○ n/a
● WT-like
 ○ Tm=54.2 °C (Burns et al., 2011)
Location
● Surface exposed, on loop connecting inner strands of Blade D

Interactions
● Thr443

Predicted consequence of substitution
● Tolerated
n/a n/a
p.Lys500Arg
c.1499A>G
Diagnosis
● POAG (Alward et al., 1998; Fingert et al., 1999; Liu et al., 2012; Whigham et al., 2011; Williams, Carmichael, Wainstein, Hobbs, & Ramsay, 2015; Williams-Lyn et al., 2000)
● Control (Liu et al., 2012)
Country/Ethnicity
 ○ African American
● Black South African

Family History of POAG/JOAG?
● Yes (Williams et al., 2015)
gnomAD?
● Allele count 161, allele frequency 5.69e-4
Secretion Assay
● 37 °C
 ○ n/a
● 30 °C
 ○ n/a

Triton X-100 Solubility Assay
● n/a
n/a Location
● C-terminal strand within molecular clasp of Blade E, surface exposed

Interactions
● None

Predicted consequence of substitution
● Tolerated
p.Lys500Thr (c.1499A>C)
● gnomAD: Allele count 1, allele frequency 3.98e-6
● Tolerated in structure
One control individual was compound heterozygous for p.Lys500Arg and p.Asp446Tyr (Liu et al., 2012)

 B. Pathogenic
Variant Clinical Data Cell Assays Thermal Stability Structure Analysis Additional Variants Other

p.Cys245Tyr
c.734G>A
Diagnosis
● JOAG (B. J. Fan et al., 2006)
● OHT (B. J. Fan et al., 2006)
Country/Ethnicity
● Chinese
Family History of POAG/JOAG?
● Yes (B. J. Fan et al., 2006)
gnomAD?
 ○ n/a
Secretion Assay
● 37 °C
 ○ - (Hogewind et al., 2007)
 ○ 0.28% of WT (Zadoo, Nguyen, Zode, & Hulleman, 2016)

● 30 °C
 ○ −/+ (Zadoo et al., 2016)

Triton X-100 Solubility Assay
● Insoluble (Hogewind et al., 2007; Yam, Gaplovska-Kysela, Zuber, & Roth, 2007)
● Partially insoluble (Jia, Gong, et al., 2009)
Likely destabilized
 ○ n/a (but see Cys433Arg)
Location
● Blade E, molecular clasp, surface exposed

Interactions
● Disulfide bonded to Cys433

Predicted consequence of substitution
● Deleterious
n/a n/a
p.Gly246Arg
c.736G>A
Diagnosis
● JOAG (Adam et al., 1997; Brézin et al., 1997)
Country/Ethnicity
● French
Family History of POAG/JOAG?
● Yes (Adam et al., 1997; Brézin et al., 1997)
gnomAD?
 ○ n/a
Secretion Assay
● 37 °C
 ○ - (Gobeil et al., 2006; Vollrath & Liu, 2006)
 ○ 0.47% of WT (Zadoo et al., 2016)
● 30 °C
 ○ ++ (Gobeil et al., 2006; Vollrath & Liu, 2006; Zadoo et al., 2016)

Triton X-100 Solubility Assay
 ○ n/a
Destabilized
 ○ Tm=~42.6 °C (Burns et al., 2011; Donegan, Hill, Turnage, Orwig, & Lieberman, 2012)
Location
● Blade E, molecular clasp, surface exposed

Interactions
● None

Predicted consequence of substitution
● Deleterious, charged side chain like Arg would interfere with proper positioning of Cys245 for disulfide bond formation
n/a n/a
p.Gly252Arg
c.754G>A
Diagnosis
● POAG (Hewitt et al., 2007)
● JOAG (Booth et al., 2000; Rozsa et al., 1998; Shimizu et al., 2000; Vincent et al., 2002; Willoughby et al., 2004)
● OHT (Hewitt et al., 2007)
Country/Ethnicity
● Australian
● Chinese
● Scottish
● US/Caucasian
Family History of POAG/JOAG?
● Yes (Booth et al., 2000; Hewitt et al., 2007; Rozsa et al., 1998; Shimizu et al., 2000; Vincent et al., 2002)
gnomAD?
 ○ n/a
Secretion Assay
● 37 °C
● – (Gobeil et al., 2006)

● 30 °C
 ○ +++ (Gobeil et al., 2006)

Triton X-100 Solubility Assay
● Insoluble(Shimizu et al., 2000)
Destabilized
 ○ Tm=44.8 °C (Burns et al., 2011) or 43.0 °C (Donegan et al., 2012), buffer dependent
Location
● Blade E, molecular clasp, surface exposed

Interactions
● Main chain NH H-bonded to carbonyl of Asp498

Predicted consequence of substitution
● Deleterious, Arg would clash with neighboring Glu253 and Trp250, causing destabilization of the molecular clasp
● p.Gly252Glu (c.755G>A)
 ○ gnomAD: allele count 2, allele frequency 8.25e-6
 ○ Likely deleterious to structure
● p.Gly252Ala (c.755G>C)
 ○ gnomAD: allele count 3, allele frequency 1.15e-5
 ○ Likely deleterious to structure
● One individual compound heterozygous for Gly252Arg and Gly244Val (Hewitt et al., 2007)
● One individual also heterozygous for OPTN mutation (Willoughby et al., 2004)
p.Arg272Gly
c.814C>G
Diagnosis
● JOAG (Shimizu et al., 2000)
● POAG (Shimizu et al., 2000)
Country/Ethnicity
● US/Caucasian
Family History of POAG/JOAG?
● Yes (Shimizu et al., 2000)
gnomAD?
 ○ n/a
Secretion Assay
● 37 °C
 ○ - (Gobeil et al., 2006)

● 30 °C
 ○ ++ (Vollrath & Liu, 2006)

Triton X-100 Solubility Assay
● Insoluble (Shimizu et al., 2000)
Destabilized
 ○ Tm=44.7 °C (Burns et al., 2011) or 41 °C (Donegan et al., 2012), buffer dependent
Location
● Blade A, innermost β-strand, near bottom face, not solvent exposed

Interactions
● Sidechain guanidinium group forms multiple stabilizing interactions with Glu483 on Blade E, and Thr285 on the adjacent β-strand of Blade A

Predicted consequence of substitution
● Deleterious, removal of side chain interactions
● p.Arg272Gln (c.815G>A)
 ○ gnomAD: allele count 2, allele frequency 8.01e-6
 ○ Likely deleterious to structure
● p.Arg272* (c.814C>T)
 ○ gnomAD: allele count 2, allele frequency 8.02e-6
 ○ Uncertain
n/a
p.Glu323Lys
c.967G>A
Diagnosis
● JOAG (Rozsa et al., 1998; Shimizu et al., 2000)
● POAG (Shimizu et al., 2000)
Country/Ethnicity
● Panamanian
Family History of POAG/JOAG?
● Yes (Rozsa et al., 1998; Shimizu et al., 2000)
gnomAD?
 ○ n/a
Secretion Assay
● 37 °C
 ○ - (Gobeil et al., 2006)/+(Vollrath & Liu, 2006)
● 30 °C
 ○ +++ (Gobeil et al., 2006; Vollrath & Liu, 2006)

Triton X-100 Solubility Assay
● Insoluble (Shimizu et al., 2000; Z. Zhou & Vollrath, 1999)

Destabilized
 ○ Tm=44 °C (Donegan et al., 2012) or 45.6 °C (Burns et al., 2011), buffer dependent
Location
● Loop connecting Blade A to Blade B, top face, but not surface exposed

Interactions
● Main chain NH forms H-bonding interaction with carbonyl of Gln337
● Side chain forms polar contact with NH Glu340

Predicted consequence of substitution
● Deleterious, charge inversion
● p.Glu323_Val329dup (c.967_987dup)
 ○ gnomAD: allele count 1, allele frequency 3.98e-6
 ○ Likely deleterious to structure
n/a
p.Gly364Val
c.1091G>T
Diagnosis
● POAG (Alward et al., 1998; Fingert et al., 1999; Stone et al., 1997)
Country/Ethnicity
● US
● US/Caucasian
Family History of POAG/JOAG?
● Yes(Stone et al., 1997)
gnomAD?
 ○ n/a
Secretion Assay
● 37 °C
 ○ - (Gobeil et al., 2006)/++ (Jacobson et al., 2001; Vollrath & Liu, 2006)
● 30 °C
 ○ +++ (Gobeil et al., 2006; Jacobson et al., 2001; Vollrath & Liu, 2006)

Triton X-100 Solubility Assay
● Partially insoluble (Z. Zhou & Vollrath, 1999)
Destabilized
 ○ Tm=~45 °C (Burns et al., 2011; Donegan et al., 2012)
Location
● Long loop connecting Blade B to Blade C, surface exposed

Interactions
● Main chain NH forms H-bonding interaction with carbonyl of Ser393

Predicted consequence of substitution
● Deleterious, steric clash with Gln368 and Phe369
● p.Gly364Ser (c.1090G>A)
 ○ gnomAD: allele count 2, allele frequency 7.95e-6
● Likely deleterious to structure
● Adenovirus-injected myocilinG364V into mouse eyes led to significant IOP elevation (Shepard et al., 2007)
p.Gly367Arg
c.1099G>A
Diagnosis
● JOAG (Cobb et al., 2002; Gupta et al., 2020; Iliev et al., 2008; Kanagavalli, Krishnadas, Pandaranayaka, Krishnaswamy, & Sundaresan, 2003; Souzeau et al., 2015; Vincent et al., 2002; Yao et al., 2018)
● POAG (J. Chen et al., 2011; Faucher et al., 2002; Mansergh et al., 1998; Melki, Belmouden, Brezin, & Garchon, 2003; K. G. Michels-Rautenstrauss et al., 1998; Suzuki et al., 1997; Fumiko Taniguchi, Suzuki, Shirato, & Araie, 2000)
Country/Ethnicity
● Japanese
● German
● Irish
● Indian
● Swiss
● Australian
● Scottish
● Chinese
● French
● Canadian
● Italian/French
Family History of POAG/JOAG?
● Yes (J. Chen et al., 2011; Cobb et al., 2002; Faucher et al., 2002; Gupta et al., 2020; Iliev et al., 2008; Mansergh et al., 1998; K. G. Michels-Rautenstrauss et al., 1998; Souzeau et al., 2015; Fumiko Taniguchi et al., 2000; Vincent et al., 2002; Yao et al., 2018)
● No (Gupta et al., 2020; Kanagavalli et al., 2003)
gnomAD?
 ○ n/a
Secretion Assay
● 37 °C
 ○ - (Gobeil et al., 2006; Kanagavalli, Pandaranayaka, Krishnadas, Krishnaswamy, & Sundaresan, 2007)
● 30 °C
 ○ +++ (Gobeil et al., 2006)

Triton X-100 Solubility Assay
 ○ n/a
Destabilized
 ○ Tm= 42.7 °C (Donegan et al., 2012) or 45.7 °C (Burns et al., 2011), buffer dependent
Location
● Long loop connecting Blade B to Blade C, surface exposed

Interactions
● Main chain NH forms polar contact with side chain of Asp378

Predicted consequence of substitution
● Deleterious, large size of arginine would be sterically incompatible with neighboring Tyr376, which forms a solvent-exposed π-π stacking interaction with His366
See p.Gly367_Gln368delinsVal n/a
p.Gly367_Gln368delinsVal
c.1101_1103delGACAinsT
Diagnosis
● JOAG (Angius, De Gioia, et al., 1998; Angius, Pisano, et al., 1998)
● POAG (Angius, De Gioia, et al., 1998; Angius, Pisano, et al., 1998)
Country/Ethnicity
● Italian
Family History of POAG/JOAG?
● Yes (Angius, De Gioia, et al., 1998; Angius, Pisano, et al., 1998)
gnomAD?
 ○ n/a
Secretion Assay
● 37 °C
 ○ - (Vollrath & Liu, 2006)
● 30 °C
● + (Vollrath & Liu, 2006)

Triton X-100 Solubility Assay
● Insoluble (Z. Zhou & Vollrath, 1999)
n/a Location
● Long loop connecting Blade B to Blade C, surface exposed

Interactions
● Main chain NH forms polar contact with side chain of Asp378

Predicted consequence of substitution
● Deleterious, changes to this loop are generally problematic
See p.Gly367Arg n/a
p.Pro370Leu
c.1109C>T
Diagnosis
● JOAG (Adam et al., 1997; Bayat et al., 2008; Campos-Mollo et al., 2007; X. Chen et al., 2009; Y. Chen, Jiang, Wan, Yu, & Sun, 2006; Damji et al., 1999; Hamanaka et al., 2017; C. Huang et al., 2018; X. Huang et al., 2014; Li et al., 2014; Mukhopadhyay et al., 2002; Rose et al., 2011; Rozsa et al., 1998; Shimizu et al., 2000; Stoilova et al., 1998; Suzuki et al., 1997; Svidnicki et al., 2018; F. Taniguchi, 1999; Vasconcellos et al., 2000; Vincent et al., 2002; Wei et al., 2011; Wiggs et al., 1998)
● POAG (Wei et al., 2005)
Country/Ethnicity
● Colombian
● Chinese
● Iranian
● Japanese
● French-Canadian
● Canadian
● Indian
● Brazilian
● Greek
● French
● US
● US/Caucasian
Family History of POAG/JOAG?
● Yes (Adam et al., 1997; Campos-Mollo et al., 2007; X. Chen et al., 2009; Y. Chen et al., 2006; Damji et al., 1999; Hamanaka et al., 2017; X. Huang et al., 2014; Li et al., 2014; Mukhopadhyay et al., 2002; Rozsa et al., 1998; Shimizu et al., 2000; Stoilova et al., 1998; Suzuki et al., 1997; F. Taniguchi, 1999; Vincent et al., 2002; Wei et al., 2005; Wei et al., 2011; Wiggs et al., 1998)
● No (Bayat et al., 2008)
gnomAD?
 ○ n/a
Secretion Assay
● 37 °C
 ○ - (Gobeil et al., 2006; Vollrath & Liu, 2006; Yam et al., 2007)
● 30 °C
 ○ - (Gobeil et al., 2006; Vollrath & Liu, 2006)

Triton X-100 Solubility Assay
● Insoluble (Shimizu et al., 2000; Yam et al., 2007; Z. Zhou & Vollrath, 1999)
Destabilized
● Could not be isolated in folded state for measurement (Burns et al., 2011)
● When combined with stabilizing variant D478S to yield OLFP370L/D478S, Tm = 47°C compared to OLFD478S alone, which is 58 °C (Hill et al., 2019)
Location
● Long loop connecting Blade B to Blade C, surface exposed

Interactions
● None

Predicted consequence of substitution
● Deleterious, adjacent to Tyr371, likely Pro likely properly organizes this region to promote the interaction between the backbone carbonyl of Phe369 and Nε of Lys423, and orient Tyr371 for cation-π
● p.Pro370Ser (c.1108C>T)
 ○ gnomAD: allele count 1, allele frequency 3.19e-5
 ○ Likely deleterious to structure

● Often serves as a “positive control” for pathogenic variants
● MyocilinP370L accumulates in the ER(Lopez-Martinez et al., 2007)
● MyocilinP370L downregulates homeostatic ER-stress response (L. Wang et al., 2007)
● MyocilinP370L impairs mitochondrial function (decreased transmembrane potential, increased ROS production, increased intracellular cytoplasm) (He, Leung, Zhuo, & Ge, 2009)
● Detailed histochemical analysis (Hamanaka et al., 2017)
p.Thr377Met
c.1130C>T
Diagnosis
● JOAG (Puska, Lemmela, Kristo, Sankila, & Jarvela, 2005; Shimizu et al., 2000; Young et al., 2012; Zgaga et al., 2008)
● POAG (Allingham et al., 1998; Alward et al., 1998; Fingert et al., 1999; Hamanaka et al., 2017; Kanagavalli et al., 2003; Kitsos et al., 2010; Liu et al., 2012; Mackey et al., 2003; Melki, Idhajji, et al., 2003; Petersen et al., 2006; Puska et al., 2005; Shimizu et al., 2000; Wiggs et al., 1998; Wilkinson et al., 2003; Wirtz et al., 2008)
● NTG (Mackey et al., 2003; Puska et al., 2005; Wilkinson et al., 2003)
● OHT (Hamanaka et al., 2017; Kitsos et al., 2010; Mackey et al., 2003; Petersen et al., 2006; Puska et al., 2005; Wilkinson et al., 2003; Wirtz et al., 2008)
Country/Ethnicity
● Croatian
● US
● US/Caucasian
● Indian
● Australian
 ○ African American
● Finnish
● Greek
● Dutch/Croatian
● English
● Greek/Macedonian
● Japanese
● Moroccan
Family History of POAG/JOAG?
● Yes(Allingham et al., 1998; Alward et al., 1998; Hamanaka et al., 2017; Kanagavalli et al., 2003; Kitsos et al., 2010; Mackey et al., 2003; Petersen et al., 2006; Puska et al., 2005; Shimizu et al., 2000; Wiggs et al., 1998; Wilkinson et al., 2003; Wirtz et al., 2008; Young et al., 2012; Zgaga et al., 2008)
gnomAD?
● Allele count 5, allele frequency 1.99e-5
Secretion Assay
● 37 °C
● + (Gobeil et al., 2006)/++ (Vollrath & Liu, 2006)
● 30 °C
 ○ +++ (Gobeil et al., 2006; Vollrath & Liu, 2006)

Triton X-100 Solubility Assay
● Partially insoluble (Z. Zhou & Vollrath, 1999)
● Insoluble (Shimizu et al., 2000)
Destabilized
● Tm = 44.3 °C (Donegan et al., 2012) or 47.7°C (Burns et al., 2011), buffer dependent
Location
● Long loop connecting Blade B to Blade C

Interactions
● Main chain carbonyl makes polar contact with Nε of Lys423
● Side chain makes polar contacts with Gly374 carbonyl and main chain NH of Tyr371

Predicted consequence of substitution
● Deleterious, loss of numerous polar interactions would propagate to weaken cation-π and metal ion site
● p.Thr377Lys (c.1130C>A) (Vincent et al., 2002)
 ○ Likely deleterious to structure
● p.Thr377Arg (c.1130C>G) (Waryah, Narsani, Sheikh, Shaikh, & Shahani, 2013)
 ○ Likely deleterious to structure
● p.Thr377Ala (c.1129A>G)
 ○ gnomAD: allele count 2, allele frequency 7.96e-6
 ○ Uncertain
● Detailed histochemical analysis (Hamanaka et al., 2017)
● Four family members compound heterozygous for p.Thr377Met and p.Gln368* have higher IOP than family members with only p.Gln368* (Young et al., 2012)
● Two family members compound heterozygotes for p.Thr377Met and p.Val495Ile (Alward et al., 1998)
p.Asp380Ala
c.1139A>C
Diagnosis
● JOAG (Campos-Mollo et al., 2007; Kennan et al., 1998; Stoilova et al., 1998)
Country/Ethnicity
● Spanish
● English
Family History of POAG/JOAG?
● Yes (Campos-Mollo et al., 2007; Kennan et al., 1998; Stoilova et al., 1998)
gnomAD?
 ○ n/a
Secretion Assay
● 37 °C
 ○ - (Gobeil et al., 2006)/+(Vollrath & Liu, 2006)
● 30 °C
 ○ ++ (Gobeil et al., 2006)/+++ (Vollrath & Liu, 2006)

Triton X-100 Solubility Assay
● Partially insoluble (Z. Zhou & Vollrath, 1999)
Destabilized
● Tm = ~46.6 °C (Burns et al., 2011; Donegan et al., 2012)
Location
● Innermost strand, Blade C

Interactions
● Ca2+, Na+, Tyr371

Predicted consequence of substitution
● Deleterious, loss of ionic interactions
● p.Asp380Gly (c.1139A>G) (Alward et al., 1998)
 ○ Likely deleterious to structure
● p.Asp380His (c.1138G>C) (Wirtz, Samples, Choi, & Gaudette, 2007)
 ○ Likely deleterious to structure
● p.Asp380Asn (c.1138G>A) (Challa et al., 2002)
 ○ Likely deleterious to structure
● Aggregation of OLFD380A is facile at 37 °C, pH 7.2 (Hill, Donegan, & Lieberman, 2014)
p.Lys423Glu
c.1267A>G
Diagnosis
● JOAG (Bruttini et al., 2003; Faucher et al., 2002; Morissette et al., 1998; Svidnicki et al., 2018)
● POAG (Bruttini et al., 2003; Morissette et al., 1998)
● OHT (Morissette et al., 1998)
Country/Ethnicity
● Brazilian
● Italian
● French-Canadian
● Canadian
Family History of POAG/JOAG?
● Yes (Bruttini et al., 2003; Faucher et al., 2002; Morissette et al., 1998)
● No (Faucher et al., 2002)
gnomAD?
 ○ n/a
Secretion Assay
● 37 °C
 ○ - (Gobeil et al., 2006; Jacobson et al., 2001; Vollrath & Liu, 2006)
● 30 °C
 ○ - (Gobeil et al., 2006; Vollrath & Liu, 2006)

Triton X-100 Solubility Assay
● Insoluble (Z. Zhou & Vollrath, 1999)
Destabilized
● 34.2 °C (Donegan et al., 2012) or 40.5 °C (Burns et al., 2011)
Location
● On loop connecting Blade C to Blade D

Interactions
● Internal cation-π with Tyr371

Predicted consequence of substitution
● Deleterious, charge inversion internal to protein
n/a ● In family, 4 homozygotes had no symptoms while heterozygotes did have JOAG/POAG (Morissette et al., 1998)
p.Val426Phe
c.1276G>T
Diagnosis
● JOAG (Lim, Lichter, Higashi, Downs, & Richards, 2003; Mansergh et al., 1998; Millá et al., 2013; Rozsa et al., 1998; Shimizu et al., 2000)
● POAG (Shimizu et al., 2000)
Country/Ethnicity
● Spanish
● US/Caucasian
Family History of POAG/JOAG?
● Yes (Lim et al., 2003; Mansergh et al., 1998; Millá et al., 2013; Rozsa et al., 1998; Shimizu et al., 2000)
gnomAD?
 ○ n/a
Secretion Assay
● 37 °C
 ○ - (Gobeil et al., 2006; Vollrath & Liu, 2006)
● 30 °C
 ○ ++ (Vollrath & Liu, 2006)/+++ (Gobeil et al., 2006)

Triton X-100 Solubility Assay
● Insoluble (Shimizu et al., 2000; Z. Zhou & Vollrath, 1999)
Destabilized
 ○ Tm= 41.5 °C (Donegan et al., 2012) or 45.1 °C (Burns et al., 2011), buffer dependent
Location
● On loop connecting Blade C to Blade D

Interactions
● Hydrophobic between Blades C and D

Predicted consequence of substitution
● Deleterious, would weaken or disrupt the neighboring cation-π interaction between Lys423 and Tyr371 (see Lys423)
n/a n/a
p.Cys433Arg
c.1297T>C
Diagnosis
● JOAG (Povoa, Malta, Rezende Mde, de Melo, & Giannella-Neto, 2006; Svidnicki et al., 2018; Vasconcellos et al., 2000)
● POAG (Povoa et al., 2006)
● OHT (Povoa et al., 2006)
Country/Ethnicity
● Brazilian
Family History of POAG/JOAG?
● Yes (Povoa et al., 2006; Vasconcellos et al., 2000)
gnomAD?
 ○ n/a
Secretion Assay
● 37 °C
 ○ - (Gobeil et al., 2006)
● 30 °C
 ○ - (Gobeil et al., 2006)

Triton X-100 Solubility Assay
 ○ n/a
Destabilized
 ○ Tm=40.4 °C (Burns et al., 2011) or 42.6 °C (Donegan et al., 2012), buffer dependent
Location
● Blade D, β-turn connecting two inner strands on bottom face

Interactions
● Disulfide with Cys245, and NH fmors interaction with Glu385; Glu385Ala is misfolded (Donegan et al., 2012)

Predicted consequence of substitution
● Deleterious, loss of covalent disulfide bond and interacting with Glu385
n/a n/a
p.Tyr437His
c.1309T>C
Diagnosis
● JOAG (Alward et al., 2002; Lei, Li, Liu, & Zhang, 2019; Wiggs et al., 1998; Yang et al., 2020)
● POAG (Alward et al., 1998; Alward et al., 2002; Fingert et al., 1999; Lei et al., 2019; Stone et al., 1997)
● OHT (Lei et al., 2019)
Country/Ethnicity
● Chinese
● US
● US/Caucasian
Family History of POAG/JOAG?
● Yes (Alward et al., 1998; Lei et al., 2019; Stone et al., 1997; Wiggs et al., 1998; Yang et al., 2020)
gnomAD?
 ○ n/a
Secretion Assay
● 37 °C
 ○ - (Gobeil et al., 2006; Jacobson et al., 2001; Vollrath & Liu, 2006)
 ○ 0.2% of WT (Zadoo et al., 2016)
● 30 °C
 ○ −/+ (Vollrath & Liu, 2006; Zadoo et al., 2016)

Triton X-100 Solubility Assay
● Insoluble (Hogewind et al., 2007; Z. Zhou & Vollrath, 1999)
Destabilized
 ○ Tm=40.3 °C (Donegan et al., 2012) or 41.4 °C (Burns et al., 2011), buffer dependent
Location
● Blade D, near disulfide bond

Interactions
● Side chain forms H-bonding interaction with NH of Leu248 in Blade E

Predicted consequence of substitution
● Deleterious, His is too small to form inter-blade interaction
n/a ● Detailed histochemical comparison between human donor eyes expressing myocilinY437H or myocilinWT (van der Heide et al., 2018)
● Mouse models with different genetic backgrounds have differing phenotypes (Chou, Tomarev, & Porciatti, 2014; Gould et al., 2006; Joe, Nakaya, Abu-Asab, & Tomarev, 2015; Kasetti, Phan, Millar, & Zode, 2016; Lynch et al., 2018; McDowell et al., 2012; Senatorov et al., 2006; Shepard et al., 2007; Zhuo et al., 2008; Zillig, Wurm, Grehn, Russell, & Tamm, 2005; Zode et al., 2011)
● Aggregated OLFY437H has amyloid character (Orwig et al., 2012)
p.Ile477Asn
c.1430T>A
Diagnosis
● JOAG (Richards, 1998; Rozsa et al., 1998; Shimizu et al., 2000)
● POAG (Alward et al., 1998; Fingert et al., 1999; Shimizu et al., 2000)
● Country/Ethnicity
● US
● US/Caucasian
Family History of POAG/JOAG?
● Yes (Alward et al., 1998; Richards, 1998; Rozsa et al., 1998; Shimizu et al., 2000; Stokes, 1940)
gnomAD?
 ○ n/a
Secretion Assay
● 37 °C
 ○ - (Gobeil et al., 2006; Vollrath & Liu, 2006)
● 30 °C
 ○ - (Gobeil et al., 2006; Vollrath & Liu, 2006)

Triton X-100 Solubility Assay
● Insoluble (Shimizu et al., 2000; Z. Zhou & Vollrath, 1999)
Destabilized
 ○ Tm=37.7 °C (Burns et al., 2011) or 39.7 °C (Donegan et al., 2012), buffer dependent
Location
● Blade E, innermost strand, part of hydrophobic belt

Interactions
● Side chain hydrophobic packing, main chain carbonyl is ligand to Ca2+

Predicted consequence of substitution
● Deleterious, new polarity in hydrophobic environment
See p.Ile477Ser n/a
p.Ile477Ser
c.1430T>G
Diagnosis
● POAG (Adam et al., 1997)
Country/Ethnicity
● French
Family History of POAG/JOAG?
● Yes (Adam et al., 1997)
gnomAD?
 ○ n/a
Secretion Assay
● 37 °C
 ○ - (Izumi et al., 2003; Jacobson et al., 2001; Vollrath & Liu, 2006)
● 30 °C
 ○ +++ (Vollrath & Liu, 2006)

Triton X-100 Solubility Assay
● Insoluble (Z. Zhou & Vollrath, 1999)
Destabilized
 ○ Tm = 40.1 °C (Donegan et al., 2012) or 41.9 °C (Burns et al., 2011), buffer dependent
Location
● Blade E, innermost strand, part of hydrophobic belt

Interactions
● Side chain hydrophobic packing, main chain carbonyl is ligand to Ca2+

Predicted consequence of substitution
● Deleterious, new polarity in hydrophobic environment
See p.Ile477Asn n/a
p.Tyr479His
c.1435T>C
Diagnosis
● POAG (Lopez-Martinez et al., 2007; Millá et al., 2013)
Country/Ethnicity
● Spanish
Family History of POAG/JOAG?
● Yes (Millá et al., 2013)
gnomAD?
 ○ n/a
Secretion Assay
● 37 °C
 ○ −/+ (Lopez-Martinez et al., 2007)
● 30 °C
 ○ n/a

Triton X-100 Solubility Assay
 ○ n/a (Z. Zhou & Vollrath, 1999)
n/a Location
● Blade E, innermost strand, near bottom face

Interactions
● Tyr479 side chain forms short (2.6 Å) H-bonding interaction with Glu385, located on Blade C, otherwise in hydrophobic environment

Predicted consequence of substitution
● Deleterious, His is too small to form interaction with Glu385, and Glu385Ala is misfolded (Donegan et al., 2012), indicating the H-bonding interaction is important.
n/a ● MyocilinY479H accumulates in ER (Lopez-Martinez et al., 2007)
p.Asn480Lys
c.1440C>A,G
Diagnosis
● JOAG (Brézin et al., 1998; Mimivati, Nurliza, Marini, & Liza-Sharmini, 2014; Rose et al., 2011)
● POAG (Adam et al., 1997; Brézin et al., 1998; Guevara-Fujita et al., 2008; Hulsman et al., 2002; Melki, Belmouden, et al., 2003)
Country/Ethnicity
● Andean
● Malay
● French
● Dutch
● Indian
Family History of POAG/JOAG?
● Yes (Adam et al., 1997; Brézin et al., 1998; Guevara-Fujita et al., 2008; Hulsman et al., 2002; Mimivati et al., 2014; Rose et al., 2011)
gnomAD?
 ○ n/a
Secretion Assay
● 37 °C
● – (Gobeil et al., 2006)/+(Vollrath & Liu, 2006)
● 30 °C
● + (Gobeil et al., 2006)/++(Vollrath & Liu, 2006)

Triton X-100 Solubility Assay
● Insoluble (Z. Zhou & Vollrath, 1999)
Destabilized
 ○ Tm=42.4 °C (Donegan et al., 2012) or 46.1 °C (Burns et al., 2011), buffer dependent
Location
● Blade E, on β-turn between internal strands, side chain buried

Interactions
● Asn480 side chain forms polar interactions with main chain NH of Leu483 and Glu483

Predicted consequence of substitution
● Deleterious, buried point charge unfavorable
n/a ● One individual is compound heterozygous for Asn480Lys and Thr353Ile (Rose et al., 2011)
p.Pro481Thr
c.1441C>A
Diagnosis
● POAG (Fingert et al., 1999)
● JOAG (Alward et al., 2002)
Country/Ethnicity
● US
Family History of POAG/JOAG?
 ○ n/a
gnomAD?
 ○ n/a
Secretion Assay
● 37 °C
 ○ n/a
● 30 °C
 ○ n/a

Triton X-100 Solubility Assay
 ○ n/a
Location
● Blade E, on β-turn between internal strands, side chain buried

Interactions
● Pro481 forms H-bonding interaction to Lys484 Nε in same loop

Predicted consequence of substitution
● Deleterious, removal of constraint within β-turn
● See p.Pro481Leu
● p.Pro481Arg (c.1442C>G) (Jansson et al., 2003)
● Likely deleterious to structure
● p.Pro481Ser (c.1441C>T) (Mabuchi et al., 2001)
● gnomAD: allele count 1, frequency 3.98e-6
● Uncertain
n/a
p.Pro481Leu
c.1442C>T
Diagnosis
● POAG (Faucher et al., 2002; Fingert et al., 1999)
● OHT (Faucher et al., 2002)
● Angle Closure Glaucoma (Faucher et al., 2002)
Country/Ethnicity
 ○ African American
● Canadian
Family History of POAG/JOAG?
● Ye s(Faucher et al., 2002)
gnomAD?
 ○ n/a
Secretion Assay
● 37 °C
 ○ - (Gobeil et al., 2006)
● 30 °C
 ○ ++ (Gobeil et al., 2006)

Triton X-100 Solubility Assay
 ○ n/a
Destabilized
 ○ Tm= 45.5 °C (Donegan et al., 2012) or 46.6 °C (Burns et al., 2011), buffer dependent
Location
● Blade E, on β-turn between internal strands, side chain buried

Interactions
● Pro481 forms H-bonding interaction to Lys484 N in same loop

Predicted consequence of substitution
● Deleterious, removal of constraint within β-turn
See p.Pro481Thr n/a
p.Ile499Phe
c.1495A>T
Diagnosis
● POAG (Adam et al., 1997; Melki, Belmouden, et al., 2003)
Country/Ethnicity
● French
Family History of POAG/JOAG?
● Yes (Adam et al., 1997)
gnomAD?
 ○ n/a
Secretion Assay
● 37 °C
 ○ - (Gobeil et al., 2006)/+ (Vollrath & Liu, 2006)
● 30 °C
 ○ +++ (Gobeil et al., 2006; Vollrath & Liu, 2006)

Triton X-100 Solubility Assay
● Partially Insoluble (Z. Zhou & Vollrath, 1999)
Destabilized
 ○ Tm =42.8°C (Donegan et al., 2012) or 44.4°C (Burns et al., 2011), buffer dependent
Location
● Blade E, exterior strand, side chain buried in hydrophobic belt

Interactions
● Hydrophobic

Predicted consequence of substitution
● Deleterious, side chain to large
See p.Ile499Ser n/a
p.Ile499Ser
c.1496T>G
Diagnosis
● JOAG (Shimizu et al., 2000)
Country/Ethnicity
● US/Caucasian
Family History of POAG/JOAG?
● Yes (Shimizu et al., 2000)
gnomAD?
 ○ n/a
Secretion Assay
● 37 °C
 ○ n/a
● 30 °C
 ○ n/a

Triton X-100 Solubility Assay
● Insoluble (Shimizu et al., 2000)
Likely destabilized
 ○ n/a (but see Ile499Phe)
Location
● Blade E, exterior strand, side chain buried in hydrophobic belt

Interactions
● Hydrophobic

Predicted consequence of substitution
● Deleterious, new polarity in hydrophobic environment
See p.Ile499Phe n/a

p.Ser502Pro
c.1504T>C
Diagnosis
● JOAG (Stoilova et al., 1998)
Country/Ethnicity
● English
Family History of POAG/JOAG?
● Yes (Stoilova et al., 1998)
gnomAD?
 ○ n/a
Secretion Assay
● 37 °C
 ○ - (Gobeil et al., 2006)
● 30 °C
 ○ - (Gobeil et al., 2006)

Triton X-100 Solubility Assay
 ○ n/a
Destabilized
 ○ Tm= 41.0 °C (Donegan et al., 2012) or 43.0 °C (Burns et al., 2011), buffer dependent
Location
● Blade E, molecular clasp, surface exposed

Interactions
● Main chain to Glu247

Predicted consequence of substitution
● Deleterious, new backbone constraint
n/a ● Adenovirus-injected myocilinS502P into mouse eyes did not result in IOP elevation (Shepard et al., 2007)

 C. Likely Pathogenic
Variant Clinical Data Cell Assays Thermal Stability Structure Analysis Additional Variants Other

p.Val251Ala
c.752T>C
Diagnosis
● JOAG (Kuchtey, Chowdhury, Uptegraft, Fautsch, & Kuchtey, 2013; Lu et al., 2020; K. Michels-Rautenstrauss et al., 2002)
● POAG (Lu et al., 2020)
● OHT (Lu et al., 2020)
Country/Ethnicity
● German
● Chinese
● US/Caucasian
Family History of POAG/JOAG?
● Yes (Kuchtey et al., 2013; Lu et al., 2020; K. Michels-Rautenstrauss et al., 2002)
gnomAD?
 ○ n/a
Secretion Assay
● 37 °C
 ○ n/a
● 30 °C
 ○ n/a

Triton X-100 Solubility Assay
 ○ n/a
n/a Location
● Blade E, molecular clasp, side chain pointed inward toward hydrophobic belt

Interactions
● None

Predicted consequence of substitution
● Uncertain, Val to Ala substitution is conservative, but weaker hydrophobic packing
● p.Val251Ile (c.751G>A)
 ○ gnomAD: allele count 1, allele frequency 4.14e-6
 ○ Likely deleterious to structure
● MyocilinV251A was not found in the aqueous humor of a patient with JOAG (Kuchtey et al., 2013)
p.Pro254Arg
c.761C>G
Diagnosis
● JOAG (Yang et al., 2015)
● POAG (Yang et al., 2015)
Country/Ethnicity
● Chinese
Family History of POAG/JOAG?
● Yes (Yang et al., 2015)
gnomAD?
 ○ n/a
Secretion Assay
● 37 °C
 ○ n/a
● 30 °C
 ○ n/a

Triton X-100 Solubility Assay
 ○ n/a
n/a Location
● Blade E, molecular clasp

Interactions
● Main chain carbonyl forms polar interactions with Arg470, located on an opposing loop that connects Blade D and Blade E

Predicted consequence of substitution
● Deleterious, would remove backbone restriction in molecular clasp and side chain too large
● p.Pro254Leu (c.761C>T) (Souzeau et al., 2016)
 ○ Likely deleterious to structure
n/a
p.Leu255Pro
c.764T>C
Diagnosis
● JOAG (Park et al., 2016)
Country/Ethnicity
● Korean
Family History of POAG/JOAG?
● Yes (Park et al., 2016)
gnomAD?
 ○ n/a
Secretion Assay
● 37 °C
 ○ n/a
● 30 °C
 ○ n/a

Triton X-100 Solubility Assay
 ○ n/a
n/a Location
● Blade E, outer strand, surface exposed

Interactions
● Main chain H-bonds with Thr496 main chain

Predicted consequence of substitution
● Deleterious, would introduce di-proline motif, further limiting the polypeptide backbone mobility
● p.Leu255Val (c.763G>C)
 ○ gnomAD: allele count 3, allele frequency 1.23e-5
 ○ Uncertain
n/a
p.Pro274Arg
c.821C>G
Diagnosis
● JOAG (Markandaya et al., 2004)
Country/Ethnicity
● Indian
Family History of POAG/JOAG?
● Yes (Markandaya et al., 2004)
gnomAD?
 ○ n/a
Secretion Assay
● 37 °C
 ○ n/a
● 30 °C
 ○ n/a

Triton X-100 Solubility Assay
 ○ n/a
n/a Location
● Blade A, loop connecting innermost strands

Interactions
● None

Predicted consequence of substitution
● Deleterious, Arg would remove restrictions placed on polypeptide backbone and also disrupt packing
● p.Pro274Leu (c.821C>T)
 ○ gnomAD: allele count 1, allele frequency 4e-6
 ○ Likely deleterious to structure
● Youngest family member homozygous for mutation(Markandaya et al., 2004)
p.Gln337Arg
● c.1010A>G
Diagnosis
● JOAG (Gupta et al., 2020; Stoilova et al., 1997)
Country/Ethnicity
● Scottish
● Indian
Family History of POAG/JOAG?
● Yes (Gupta et al., 2020)
gnomAD?
 ○ n/a
Secretion Assay
● 37 °C
 ○ n/a
● 30 °C
 ○ n/a

Triton X-100 Solubility Assay
 ○ n/a
n/a Location
● Blade B, loop connecting inner strands

Interactions
● Main chain carbonyl forms polar contact with Glu323 main chain NH
● Side chain forms polar contact with main chain carbonyl of Ser341

Predicted consequence of substitution
● Deleterious, sterically incompatible
● See p.Gln337* (c.1009delC)
● p.Gln337Glu (c.1009C>G) (Vázquez et al., 2009)
 ○ Likely deleterious to structure
● p.Gln337His (c.1011G>T)
 ○ gnomAD: allele count 1, allele frequency 3.98e-6
 ○ Likely deleterious to structure
● Homozygous individuals identified in two families (Gupta et al., 2020)
p.Ser341Pro
c.1021T>C
Diagnosis
● JOAG (X. Huang et al., 2014)
● POAG (X. Huang et al., 2014; Kee & Ahn, 1997; Moon, Kim, & Lee, 2020; F. Wang et al., 2015)
● OHT (F. Wang et al., 2015)
Country/Ethnicity
● Chinese
● Korean
Family History of POAG/JOAG?
● Ye s(X. Huang et al., 2014; Kee & Ahn, 1997; Moon et al., 2020; F. Wang et al., 2015)
● No (X. Huang et al., 2014)
gnomAD?
 ○ n/a
Secretion Assay
● 37 °C
 ○ n/a
● 30 °C
 ○ n/a

Triton X-100 Solubility Assay
 ○ n/a
n/a Location
● Blade B, turn between internal strands

Interactions
● Main chain carbonyl forms polar contact with Gln337 side chain, main chain NH forms polar contact with carbonyl of Gly338
● Side chain hydroxyl forms polar interactions with NH Thr343 and CO Gly338

Predicted consequence of substitution
● Deleterious, restrict backbone and reduce available stabilizing interactions
n/a n/a
p.Ala363Thr
c.1087G>A
Diagnosis
● POAG (Ishikawa et al., 2004; R. Kubota et al., 2000; Mengkegale et al., 2008)

Country/Ethnicity
● Japanese
Family History of POAG/JOAG?
● Yes (R. Kubota et al., 2000; Ryo Kubota et al., 1997; Mengkegale et al., 2008)
gnomAD?
 ○ n/a
Secretion Assay
● 37 °C
 ○ - (Izumi et al., 2003)
● 30 °C
 ○ n/a

Triton X-100 Solubility Assay
 ○ n/a
n/a Location
● Long loop between Blade B and Blade C, pointed inward

Interactions
● Main chain NH forms polar contact with carbonyl Ile360, main chain carbonyl forms polar contact with side chain Arg342

Predicted consequence of substitution
● Uncertain, relatively conservative substitution but introduces new polarity into relatively hydrophobic region
n/a n/a
p.Phe369Leu
c.1105T>C
Diagnosis
● JOAG (Hamanaka et al., 2017)
● POAG (Hamanaka et al., 2017; Ishikawa et al., 2004)
Country/Ethnicity
● Japanese
Family History of POAG/JOAG?
● Yes (Hamanaka et al., 2017; Ishikawa et al., 2004)
gnomAD?
 ○ n/a
Secretion Assay
● 37 °C
 ○ n/a
● 30 °C
 ○ n/a

Triton X-100 Solubility Assay
 ○ n/a
n/a Location
● Long loop between Blade B and Blade C, surface exposed

Interactions
● Main chain carbonyl makes polar contact with Lys423 Nε

Predicted consequence of substitution
● Uncertain, Phe369 protects Lys423 from solvent, unclear if Leu would suffice
n/a ● One patient homozygous for variant (Hamanaka et al., 2017)
● Detailed histochemical analysis (Hamanaka et al., 2017)
p.Tyr371Asp
c.1111T>G
Diagnosis
● JOAG (Avisar et al., 2009)
Country/Ethnicity
● Uzbek
Family History of POAG/JOAG?
● Yes (Avisar et al., 2009)
gnomAD?
 ○ n/a
Secretion Assay
● 37 °C
 ○ n/a
● 30 °C
 ○ n/a

Triton X-100 Solubility Assay
 ○ n/a
n/a Location
● Long loop between Blade B and Blade C, points inward

Interactions
● Main chain NH forms polar contact with side chain hydroxyl of Thr377; carbonyl forms polar contact with main chain NH of Trp373
● Side chain ring forms cation-π with Lys423 and hydroxyl forms polar interaction with Asp380

Predicted consequence of substitution
● Deleterious, based on analogy with Lys423Glu
n/a n/a
p.Glu385Lys
c.1153G>A
Diagnosis
● JOAG (Criscione et al., 2019)
Country/Ethnicity
● Hispanic
Family History of POAG/JOAG?
● Ye s(Avisar et al., 2009; Criscione et al., 2019)
gnomAD?
 ○ n/a
Secretion Assay
● 37 °C
 ○ n/a
● 30 °C
 ○ n/a

Triton X-100 Solubility Assay
 ○ n/a
Likely destabilized
 ○ Tm= 39.7 °C for OLFE385A (Donegan et al., 2012)
Location
● Blade C, bottom face, on turn between innermost blades

Interactions
● Side chain forms polar contacts with main chain NH of Cys433 on Blade D, and with sidechains of Tyr 479 and Lys484 on Blade E

Predicted consequence of substitution
● Deleterious, critical interactions would be lost
n/a n/a
p.Thr438Ile
c.1313C>T
Diagnosis
● JOAG (Jansson et al., 2003; Melki, Belmouden, et al., 2003; Souzeau et al., 2015)
Country/Ethnicity
● Australian
● French
● Danish
Family History of POAG/JOAG?
● Yes (Jansson et al., 2003; Melki, Belmouden, et al., 2003; Souzeau et al., 2015)
gnomAD?
 ○ n/a
Secretion Assay
● 37 °C
 ○ n/a
● 30 °C
 ○ n/a

Triton X-100 Solubility Assay
 ○ n/a
n/a Location
● Blade D, interior strand

Interactions
● Side chain hydroxyl group forms polar interaction with Asn450 sidechain

Predicted consequence of substitution
● Deleterious, polar intra-blade contact would be lost
● p.Thr438Pro (c.1312A>C)
 ○ gnomAD: allele count 6, allele frequency 2.39e-5
 ○ Likely deleterious to structure
n/a
p.Asn450Tyr
c.1348A>T
Diagnosis
● JOAG (Zhao et al., 2010)
● OHT (Zhao et al., 2010)
Country/Ethnicity
● Chinese
Family History of POAG/JOAG?
● Yes (Zhao et al., 2010)
gnomAD?
 ○ n/a
Secretion Assay
● 37 °C
 ○ n/a
● 30 °C
 ○ n/a

Triton X-100 Solubility Assay
 ○ n/a
n/a Location
● Blade D, interior strand, points to surface

Interactions
● Side chain forms polar contact with Thr438 side chain hydroxyl

Predicted consequence of substitution
● Deleterious, Tyr would pose a steric challenge with the loop connecting Blade C and Blade D
● p.Asn450Asp (c.1348A>G) (K. Michels-Rautenstrauss et al., 2002)
 ○ Likely tolerated in the structure
● p.Asn450Ser (c.1349A>G)
 ○ gnomAD: allele count 2, allele frequency 7.95e-6
 ○ Likely tolerated in the structure
n/a
p.Leu486Phe
● c.1456C>T
Diagnosis
● JOAG (Liao et al., 2016)
● POAG (X. Huang et al., 2014)
Country/Ethnicity
● Chinese
Family History of POAG/JOAG?
● Ye s(Liao et al., 2016)
● No (X. Huang et al., 2014)
gnomAD?
 ○ n/a
Secretion Assay
● 37 °C
 ○ n/a
● 30 °C
 ○ n/a

Triton X-100 Solubility Assay
 ○ n/a
n/a Location
● Blade E, inner strand, pointed inward

Interactions
● Main chain NH forms polar interaction with Thr496 sidechain; main chain carbonyl forms polar contact with carbonyl of Tyr497

Predicted consequence of substitution
● Deleterious, would require rearrangements to fit larger side chain
n/a n/a
a

qualitative extent of secretion − = no secretion, −/+ = very little secretion, +, ++, +++ increasing levels of secretion