rs1554423737
Variant summary
Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2
The NM_000238.4(KCNH2):c.3286C>T(p.Pro1096Ser) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.000000692 in 1,444,950 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. P1096T) has been classified as Uncertain significance.
Frequency
Consequence
NM_000238.4 missense
Scores
Clinical Significance
Conservation
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ACMG classification
Verdict is Uncertain_significance. Variant got 2 ACMG points.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
KCNH2 | NM_000238.4 | c.3286C>T | p.Pro1096Ser | missense_variant | 14/15 | ENST00000262186.10 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
KCNH2 | ENST00000262186.10 | c.3286C>T | p.Pro1096Ser | missense_variant | 14/15 | 1 | NM_000238.4 | P1 | |
KCNH2 | ENST00000330883.9 | c.2266C>T | p.Pro756Ser | missense_variant | 10/11 | 1 | |||
KCNH2 | ENST00000684241.1 | n.4119C>T | non_coding_transcript_exon_variant | 12/13 |
Frequencies
GnomAD3 genomes Cov.: 32
GnomAD4 exome AF: 6.92e-7 AC: 1AN: 1444950Hom.: 0 Cov.: 32 AF XY: 0.00000140 AC XY: 1AN XY: 716420
GnomAD4 genome Cov.: 32
ClinVar
Submissions by phenotype
Cardiac arrhythmia Uncertain:1
Uncertain significance, criteria provided, single submitter | clinical testing | Color Diagnostics, LLC DBA Color Health | Sep 23, 2019 | This missense variant replaces proline with serine at codon 1096 of the KCNH2 protein. Computational prediction tool is inconclusive regarding the impact of this variant on protein structure and function (internally defined REVEL score threshold 0.5 < inconclusive < 0.7, PMID: 27666373). Splice site prediction tools suggest that this variant may not impact RNA splicing. To our knowledge, functional studies have not been performed for this variant. This variant has not been reported in individuals affected with cardiovascular disorders in the literature. This variant has not been identified in the general population by the Genome Aggregation Database (gnomAD). The available evidence is insufficient to determine the role of this variant in disease conclusively. Therefore, this variant is classified as a Variant of Uncertain Significance. - |
Computational scores
Source:
Splicing
Find out detailed SpliceAI scores and Pangolin per-transcript scores at