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. 2019 Feb 27;104(7):2961–2970. doi: 10.1210/jc.2018-02657

Table 2.

Phenotype and Variant Details of Individuals With MC4R Mutations

Phenotype details
 Amino acid change p. G252D p. F284I p.R7S p.M215I p. V253I p. F202L p. I269N p.F202L
 c.DNA change c.755 G>A c.850 T>A c.19C>T c.645G>A c.757 G>A c.606 C>A c.806 T>A c.606 C>A
 Center BCH BCH BCH BCH CHOP CHOP CUMC CUMC
 Race or ethnicity AA Latino AA Latino AA AA Latino Latino
 Sex F M F F F F M M
 Birth weight, kg 3.93 3.375
 Obesity class 3 2 2 3 2 3 3 3
 First available age, mo 48 24 28 37 36 81 0 0
 First available BMI, %BMI95pct 153.1 119.5 119.7 133.3 165 124 90 50
 Last available age, mo 203 87.7 87.5 160 99 123 80 33.5
 Last available height, cm 169.5 125.2 133.5 167.3 154 145.5 119 92.7
 Last available height, percentile 84.6 60.65 95.7 86.8 >99 80 56 40
 Last available BMI, %BMI95pct 152.3 126.6 140.3 200.6 132 174 130 148
 Last available BMI, kg/m2 45.01 24.23 27.94 56.9 34.87 33.4 22.3 26.3
 Age, mo 215 99 87 160 98 123 71 33.5
 Height, cm 169 130 134 167.3 152 145.5 116 92.7
BP
 SBP, mm Hg (percentile) 130 (94) 99 (48) 98 (40) 127 (92) 104 (53) 129 (99) 97 (59) 95 (72)
 DBP, mm Hg percentile) 67 (50) 50 (20) 72 (86) 65 (44) 56 (24) 60 (45) 56 (65) 49 (67)
Variant details
 gnomAD total allele frequency 4.95E-05 Absent 4E-06 8E-06 6E-05 0.0009 0.00092 0.000898
 gnomAD allele frequency Africans 0 0 0 0 0 0.00942 0 0.009415
 gnomAD allele frequency Latino 0.00011 0 0 0 0.00011 0.00045 0.00731 0.000452
 Polyphen Probably damaging Probably damaging Benign Probably damaging Probably damaging Benign Probably damaging Benign
 SIFT Deleterious Deleterious Tolerated Deleterious Deleterious Tolerated Deleterious Tolerated
 CADD score 28.6 26 12.25 28.7 25 12.17 26.8 12.17
 Functional Novel Novel Novel Known Known Known Known Known
References Unpublished Yeo, 2003; Farooqi, 2003; Nijenhuis, 2003; Lubrano-Berthelier, 2003 Tao, 2005; Stutzmann, 2008; Hughes, 2009; Calton, 2009; Xiang, 2010; Hohenadel, 2014 Tan, 2009; Calton, 2009; Thearle, 2012; Hohenadel, 2014; Tao, 2005; Stutzmann, 2008; Hughes, 2009; Calton, 2009; Xiang, 2010; Hohenadel, 2014

Class 1 obesity, BMI 95%–120% of BMI95pct; class 2 obesity, BMI 120%–140% of BMI95pct; class 3 obesity, BMI >140% of BMI95pct. In silico prediction tools: CADD, Combined Annotation Dependent Depletion (https://cadd.gs.washington.edu/). A scaled CADD score of 20 means that a variant is among the top 1% of deleterious variants in the human genome. A scaled CADD score of 30 means that the variant is in the top 0.1%. Polyphen, Polymorphism Phenotyping (http://genetics.bwh.harvard.edu/pph2/); SIFT, Sorting Intolerant From Tolerant (https://sift.bii.a-star.edu.sg/) (5, 16–24).

Abbreviations: AA, African American; DBP, diastolic blood pressure; F, female; gnomAD, the Genome Aggregation Database (15); M, male; NA, not available; SBP, systolic blood pressure; TG, triglycerides.