ClinVar Miner

Submissions for variant NM_000518.5(HBB):c.31G>A (p.Ala11Thr)

dbSNP: rs63750717
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Quest Diagnostics Nichols Institute San Juan Capistrano RCV000507628 SCV000601288 likely benign not specified 2017-01-12 criteria provided, single submitter clinical testing
Women's Health and Genetics/Laboratory Corporation of America, LabCorp RCV000507628 SCV002103525 uncertain significance not specified 2025-02-26 criteria provided, single submitter clinical testing Variant summary: HBB c.31G>A (p.Ala11Thr) results in a non-conservative amino acid change located in the Globin domain (IPR000971) of the encoded protein sequence. Four of five in-silico tools predict a benign effect of the variant on protein function. The variant was absent in 251216 control chromosomes. The available data on variant occurrences in the general population are insufficient to allow any conclusion about variant significance. c.31G>A (also known as Hb Belleville) has been reported in the literature in heterozygous individuals and was described as causing no apparent clinical manifestations (e.g. Williams_2009). These report(s) do not provide unequivocal conclusions about association of the variant with Hemoglobinopathy. To our knowledge, no experimental evidence demonstrating an impact on protein function has been reported. The following publications have been ascertained in the context of this evaluation (PMID: 29365076, 19205972). ClinVar contains an entry for this variant (Variation ID: 439152). Based on the evidence outlined above, the variant was classified as uncertain significance.

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