ClinVar Miner

Submissions for variant NM_000350.3(ABCA4):c.4532C>A (p.Pro1511His) (rs886046564)

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Total submissions: 1
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
GeneDx RCV000483262 SCV000564535 likely pathogenic not provided 2013-06-11 criteria provided, single submitter clinical testing The P1511H missense change in the ABCA4 gene has not been reported as a pathogenic variant or as a benign polymorphism to our knowledge. The P1511H amino acid substitution is non-conservative with a neutral and non-polar residue (Pro) being replaced by a positively charged and polar residue (His). Furthermore, the loss of a Proline residue with its unique structure may affect the structure of the protein. The residue at which this substitution occurs is well conserved in the ABCR protein. According to the Human Gene Mutation Database (HGMD) other missense mutations (G1507W, G1508C, P1512R, P1512H, Q1513R, R1517S, L1525P) have been reported in nearby residues in association with ABCA4-related disorders (Stenson, 2009). The P1511H variant was not observed in approximately 6,500 individuals of European and African American ancestry in an external variant database, indicating it is not a common benign variant in these populations. Therefore, P1511H is a strong candidate for a pathogenic variant although the possibility that it is a benign polymorphism cannot be excluded.

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