ClinVar Miner

Submissions for variant NM_001323289.2(CDKL5):c.455G>A (p.Cys152Tyr)

dbSNP: rs122460157
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Total submissions: 2
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Submitter RCV SCV Clinical significance Condition Last evaluated Review status Method Comment
NeuroMeGen, Hospital Clinico Santiago de Compostela RCV000585869 SCV000693764 likely pathogenic Developmental and epileptic encephalopathy, 2 2018-01-01 criteria provided, single submitter clinical testing
Labcorp Genetics (formerly Invitae), Labcorp RCV002530871 SCV002953859 pathogenic Developmental and epileptic encephalopathy, 2; Angelman syndrome-like 2022-09-20 criteria provided, single submitter clinical testing For these reasons, this variant has been classified as Pathogenic. 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 CDKL5 protein function. ClinVar contains an entry for this variant (Variation ID: 495236). This missense change has been observed in individual(s) with clinical features of CDKL5-related conditions (PMID: 31780880). In at least one individual the variant was observed to be de novo. This variant is not present in population databases (gnomAD no frequency). This sequence change replaces cysteine, which is neutral and slightly polar, with tyrosine, which is neutral and polar, at codon 152 of the CDKL5 protein (p.Cys152Tyr).

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