Table 1.
Subject | Ancestry | Parental Consang. | Sex/onset | MYO5B mutation | Homo/heterozyguos | MYOVb domain | Predicted effect on RNA and/or protein |
---|---|---|---|---|---|---|---|
1 | Hispanic | n.r. | Male/early | c.946 G>A (p.Gly316Arg, exon8) | Homozygous | head | Nonconservative substitution, evolutionary conserved |
2, 3 | Hispanic | yes | Female/early | c.2330_del G (p.Gly777AsnfsX6, exon 19) | Homozygous | Neck (IQ1) | Nonconservative substitution, evolutionary conserved, PMT, loss of dimerization and cargo-binding domains |
4, 5 | Navajo Indian | yes | Male/early; Female/early | c.1979C>T (p.Pro660Leu, exon 16) | Homozygous | Head | Nonconservative substitution, evolutionary conserved |
6 | Caucasian | No | Female/Early | c.2246 C>T (p.Arg749X, exon 19) | Compound Heterozygous | Neck (IQ1) | Nonconservative substitution, evolutionary conserved, PMT, loss of dimerization and cargo-binding domains |
7 | Polish | No | Female/early | c.28-?_1545+?del (deletion exon 2–12) | Compound Heterozygous | Head | Shortened protein, in frame deletion residues 10-515 |
7 | Polish | No | Female/early | c.1367A>G (p.Asn456Ser; exon 11) | Compound Heterozygous | Head | Nonconservative substitution, evolutionary conserved |
8 | Moroccan | Yes | Male/early | c.4366C>T (p.Gln1456X, exon 33) | homozygous | Tail | NMD; PMT, loss of distal Rab11a BD |
9 | Dutch | No | Male/late | c.4460-1G>C (splicing, intron 33) | Compound Heterozygous | Tail | Partial intron 33 insertion, NMD; PMT, loss of distal Rab11a BD |
9 | Dutch | No | Male/late | c.1540T>C (p.Cys514Arg, exon 12) | Compound Heterozygous | Head | Nonconservative substitution, evolutionary conserved |
NMD, nonsense-mediated RNA decay; PMT, prematurely terminated protein; Rab11a BD (binding domain); n.r., not reported.