ClinVar Miner

Submissions for variant NM_001134831.2(AHI1):c.2012C>T (p.Thr671Ile)

dbSNP: rs772989270
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Total submissions: 3
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
UW Hindbrain Malformation Research Program, University of Washington RCV000201635 SCV000256252 pathogenic Joubert syndrome 3 2015-02-23 criteria provided, single submitter research
GeneDx RCV001731519 SCV001982625 uncertain significance not provided 2021-09-10 criteria provided, single submitter clinical testing Not observed at significant frequency in large population cohorts (Lek et al., 2016); In silico analysis supports that this missense variant has a deleterious effect on protein structure/function; This variant is associated with the following publications: (PMID: 15467982, 28442542, 26003401, 16155189, 31589614)
Invitae RCV003495117 SCV004294415 pathogenic Familial aplasia of the vermis 2023-10-05 criteria provided, single submitter clinical testing This sequence change replaces threonine, which is neutral and polar, with isoleucine, which is neutral and non-polar, at codon 671 of the AHI1 protein (p.Thr671Ile). This variant is not present in population databases (gnomAD no frequency). This missense change has been observed in individual(s) with Joubert syndrome (PMID: 16155189). ClinVar contains an entry for this variant (Variation ID: 217528). Advanced modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) performed at Invitae indicates that this missense variant is expected to disrupt AHI1 protein function. For these reasons, this variant has been classified as Pathogenic.

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