ClinVar Miner

Submissions for variant NM_016038.4(SBDS):c.307_308del (p.Gln103fs)

dbSNP: rs745661722
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Total submissions: 3
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
Baylor Genetics RCV003472594 SCV004202342 pathogenic Aplastic anemia 2024-02-15 criteria provided, single submitter clinical testing
Fulgent Genetics, Fulgent Genetics RCV005036818 SCV005667442 pathogenic Shwachman-Diamond syndrome 1; Aplastic anemia 2024-03-27 criteria provided, single submitter clinical testing
Broad Center for Mendelian Genomics, Broad Institute of MIT and Harvard RCV005254799 SCV005907613 pathogenic Shwachman-Diamond syndrome 1 2025-02-07 criteria provided, single submitter curation The p.Gln103ThrfsTer6 variant in SBDS has been reported, in the compound heterozygous state, in 1 individual with Shwachman-Diamond syndrome (PMID: 15776428) and has been identified in 0.003% (1/30612) of South Asian chromosomes by the Genome Aggregation Database (gnomAD, http://gnomad.broadinstitute.org; dbSNP rs749048311). Although this variant has been seen in the general population in a heterozygous state, its frequency is low enough to be consistent with a recessive carrier frequency. The presence of a known pseudogene, SBDSP1, can impact the reliability of allele frequencies. This variant is predicted to cause a frameshift, which alters the protein's amino acid sequence beginning at position 103 and leads to a premature termination codon 6 amino acids downstream. This alteration is then predicted to lead to a truncated or absent protein. Loss of function of the SBDS gene is an established disease mechanism in autosomal recessive Shwachman-Diamond syndrome. In summary, this variant meets criteria to be classified as Pathogenic for autosomal recessive Shwachman-Diamond syndrome. ACMG/AMP Criteria applied: PVS1, PM3, PM2_supporting (Richards 2015).

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