ClinVar Miner

Submissions for variant NM_005360.5(MAF):c.881G>A (p.Arg294Gln)

dbSNP: rs1597847611
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Labcorp Genetics (formerly Invitae), Labcorp RCV000822360 SCV000963160 pathogenic Cataract 21 multiple types; Ayme-Gripp syndrome 2019-01-04 criteria provided, single submitter clinical testing For these reasons, this variant has been classified as Pathogenic. This sequence change replaces arginine with glutamine at codon 294 of the MAF protein (p.Arg294Gln). The arginine residue is highly conserved and there is a small physicochemical difference between arginine and glutamine. This variant is not present in population databases (ExAC no frequency). This variant has been observed to segregate with congenital cataract in a family (Invitae). This variant has been reported as a naturally-occurring variant in a mouse model of congenital cataracts, and has been shown to alter MAF DNA binding activity (PMID: 12620964). It is also known as Arg291Gln in this paper. This variant disrupts the p.Arg294 amino acid residue in MAF. Other variant(s) that disrupt this residue have been observed in individuals with MAF-related conditions (PMID: 24968223, 26694549), which suggests that this may be a clinically significant amino acid residue.

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