11-74456341-AAG-AAGAG

Variant names:

• chr11-74456341-A-AAG
• rs757362085
• NM_005472.5:c.*909_*910dupCT

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2

The NM_005472.5(KCNE3):​c.*909_*910dupCT variant causes a 3 prime UTR change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

• Frequency: Genomes: not found (cov: 25)
• Consequence: KCNE3 NM_005472.5 3_prime_UTR
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 0.341

Genes affected

KCNE3 (HGNC:6243): (potassium voltage-gated channel subfamily E regulatory subunit 3) Voltage-gated potassium (Kv) channels represent the most complex class of voltage-gated ion channels from both functional and structural standpoints. Their diverse functions include regulating neurotransmitter release, heart rate, insulin secretion, neuronal excitability, epithelial electrolyte transport, smooth muscle contraction, and cell volume. This gene encodes a member of the potassium channel, voltage-gated, isk-related subfamily. This member is a type I membrane protein, and a beta subunit that assembles with a potassium channel alpha-subunit to modulate the gating kinetics and enhance stability of the multimeric complex. This gene is prominently expressed in the kidney. A missense mutation in this gene is associated with hypokalemic periodic paralysis. [provided by RefSeq, Jul 2008]

ENSG00000254928 (HGNC:):

ACMG classification

Verdict is Uncertain_significance. Variant got 2 ACMG points.

• PM2: Very rare variant in population databases, with high coverage

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
KCNE3	NM_005472.5	c.*909_*910dupCT		3_prime_UTR_variant	Exon 3 of 3	ENST00000310128.9	NP_005463.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
KCNE3	ENST00000310128	c.*909_*910dupCT		3_prime_UTR_variant	Exon 3 of 3	1	NM_005472.5	ENSP00000310557.4
ENSG00000254928	ENST00000530510.1	n.426-299_426-298dupGA		intron_variant	Intron 1 of 1	2
ENSG00000254631	ENST00000533008.1	n.155-27834_155-27833dupGA		intron_variant	Intron 2 of 3	3

Frequencies

GnomAD3 genomes Cov.: 25

GnomAD4 exome Cov.: 0

GnomAD4 genome Cov.: 25

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Splicing

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

LitVar

Other links and lift over

dbSNP: rs757362085; hg19: chr11-74167386;