ClinVar Miner

Submissions for variant NM_000162.5(GCK):c.1339del (p.Arg447fs) (rs1064795242)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV000481054 SCV000570866 likely pathogenic not provided 2016-07-21 criteria provided, single submitter clinical testing The c.1339delC variant in the GCK gene has not been published as a pathogenic variant, nor has it been reported as a benign variant to our knowledge. It causes a frameshift starting with codon Arginine 447, changes this amino acid to a Glycine residue and creates a Stop codon at position 167 of the new reading frame, denoted p.Arg447GlyfsX167. c.1339delC was not observed in approximately 6,500 individuals of European and African American ancestry in the NHLBI Exome Sequencing Project, indicating it is not a common benign variant in these populations. However, this variant is not predicted to cause loss of normal protein function through protein truncation or nonsense-mediated mRNA decay, as it results in protein extension. The variant leads to the final 19 amino acids being replaced by 166 incorrect amino acids. The final 19 amino acids replaced by this variant are important in stabilizing the active and inactive forms of the protein (Molnes et al., 2008). Therefore, this variant is likely pathogenic; however, the possibility that it is benign cannot be excluded.

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