rs237450
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Variant summary
Our verdict is Benign. Variant got -12 ACMG points: 0P and 12B. BP4_StrongBA1
The NM_004975.4(KCNB1):c.*7392C>T variant causes a 3 prime UTR change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.162 in 152,146 control chromosomes in the GnomAD database, including 2,259 homozygotes. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.
Frequency
Genomes: 𝑓 0.16 ( 2259 hom., cov: 32)
Exomes 𝑓: 0.083 ( 0 hom. )
Consequence
KCNB1
NM_004975.4 3_prime_UTR
NM_004975.4 3_prime_UTR
Scores
2
Clinical Significance
Not reported in ClinVar
Conservation
PhyloP100: 0.865
Genes affected
KCNB1 (HGNC:6231): (potassium voltage-gated channel subfamily B member 1) 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. Four sequence-related potassium channel genes - shaker, shaw, shab, and shal - have been identified in Drosophila, and each has been shown to have human homolog(s). This gene encodes a member of the potassium channel, voltage-gated, shab-related subfamily. This member is a delayed rectifier potassium channel and its activity is modulated by some other family members. [provided by RefSeq, Jul 2008]
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ACMG classification
Classification made for transcript
Verdict is Benign. Variant got -12 ACMG points.
BP4
?
Computational evidence support a benign effect (BayesDel_noAF=-0.81).
BA1
?
GnomAd4 highest subpopulation (AFR) allele frequency at 95% confidence interval = 0.255 is higher than 0.05.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
KCNB1 | NM_004975.4 | c.*7392C>T | 3_prime_UTR_variant | 2/2 | ENST00000371741.6 | ||
LOC105372649 | XR_001754659.2 | n.1201+33567G>A | intron_variant, non_coding_transcript_variant | ||||
KCNB1 | XM_011528799.3 | c.*7392C>T | 3_prime_UTR_variant | 3/3 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
KCNB1 | ENST00000371741.6 | c.*7392C>T | 3_prime_UTR_variant | 2/2 | 1 | NM_004975.4 | P1 | ||
ENST00000637341.1 | n.206+33567G>A | intron_variant, non_coding_transcript_variant | 5 |
Frequencies
GnomAD3 genomes ? AF: 0.163 AC: 24718AN: 152016Hom.: 2260 Cov.: 32
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GnomAD4 exome AF: 0.0833 AC: 1AN: 12Hom.: 0 Cov.: 0 AF XY: 0.0833 AC XY: 1AN XY: 12
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GnomAD4 genome ? AF: 0.162 AC: 24709AN: 152134Hom.: 2259 Cov.: 32 AF XY: 0.161 AC XY: 12010AN XY: 74380
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ClinVar
Not reported inComputational scores
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BayesDel_noAF
Benign
CADD
Benign
DANN
Benign
Splicing
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SpliceAI score (max)
Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at