ClinVar Miner

Submissions for variant NM_005360.5(MAF):c.768C>G (p.His256Gln)

dbSNP: rs1555529827
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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV000555075 SCV000655015 uncertain significance Cataract 21 multiple types; Ayme-Gripp syndrome 2017-04-30 criteria provided, single submitter clinical testing In summary, this variant is a novel missense change with uncertain impact on protein function. It has been classified as a Variant of Uncertain Significance. Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may alter RNA splicing, but this prediction has not been confirmed by published transcriptional studies. Algorithms developed to predict the effect of missense changes on protein structure and function (SIFT, PolyPhen-2, Align-GVGD) all suggest that this variant is likely to be tolerated, but these predictions have not been confirmed by published functional studies. This variant is not present in population databases (ExAC no frequency) and has not been reported in the literature in individuals with a MAF-related disease. This sequence change replaces histidine with glutamine at codon 256 of the MAF protein (p.His256Gln). The histidine residue is moderately conserved and there is a small physicochemical difference between histidine and glutamine.

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