ClinVar Miner

Submissions for variant NM_020754.4(ARHGAP31):c.3104C>T (p.Thr1035Ile)

gnomAD frequency: 0.00049  dbSNP: rs201997376
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Invitae RCV002057822 SCV002491124 likely benign not provided 2022-11-29 criteria provided, single submitter clinical testing
Department of Pathology and Laboratory Medicine, Sinai Health System RCV001355923 SCV001550947 benign not specified no assertion criteria provided clinical testing The ARHGAP31 p.Thr1035Ile variant was identified in dbSNP (ID: rs201997376) and in ClinVar (classified as likely benign by Illumina). The variant was not identified in the literature or in LOVD 3.0. The variant was identified in control databases in 119 of 280610 chromosomes (0 homozygous) at a frequency of 0.000424, increasing the likelihood this could be a low frequency benign variant (Genome Aggregation Database March 6, 2019, v2.1.1). The variant was observed in the following populations: European (non-Finnish) in 106 of 128404 chromosomes (freq: 0.000826), Other in 5 of 7146 chromosomes (freq: 0.0007), Latino in 5 of 35372 chromosomes (freq: 0.000141), African in 2 of 24184 chromosomes (freq: 0.000083) and European (Finnish) in 1 of 25024 chromosomes (freq: 0.00004), but was not observed in the Ashkenazi Jewish, East Asian, or South Asian populations. The p.Thr1035 residue is not conserved in mammals and computational analyses (PolyPhen-2, SIFT, AlignGVGD, BLOSUM, MutationTaster) do not suggest a high likelihood of impact to the protein; however, this information is not predictive enough to rule out pathogenicity. The variant occurs outside of the splicing consensus sequence and in silico or computational prediction software programs (SpliceSiteFinder, MaxEntScan, NNSPLICE, GeneSplicer) do not predict a difference in splicing. In summary, based on the above information this variant meets our laboratory's criteria to be classified as benign.

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