rs579113
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Variant summary
Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_Strong
The NM_004975.4(KCNB1):c.567+22539G>C variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000658 in 151,992 control chromosomes in the GnomAD database, with no homozygous occurrence. 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 0.0000066 ( 0 hom., cov: 32)
Consequence
KCNB1
NM_004975.4 intron
NM_004975.4 intron
Scores
2
Clinical Significance
Not reported in ClinVar
Conservation
PhyloP100: -2.26
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 Likely_benign. Variant got -2 ACMG points.
PM2
?
Very rare variant in population databases, with high coverage;
BP4
?
Computational evidence support a benign effect (BayesDel_noAF=-0.92).
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
KCNB1 | NM_004975.4 | c.567+22539G>C | intron_variant | ENST00000371741.6 | |||
KCNB1 | XM_011528799.3 | c.567+22539G>C | intron_variant |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
KCNB1 | ENST00000371741.6 | c.567+22539G>C | intron_variant | 1 | NM_004975.4 | P1 | |||
KCNB1 | ENST00000635465.1 | c.567+22539G>C | intron_variant | 1 | P1 | ||||
KCNB1 | ENST00000635878.1 | c.96+22539G>C | intron_variant | 5 | |||||
KCNB1 | ENST00000636950.1 | n.88-7958G>C | intron_variant, non_coding_transcript_variant | 5 |
Frequencies
GnomAD3 genomes ? AF: 0.00000658 AC: 1AN: 151992Hom.: 0 Cov.: 32
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We have no GnomAD4 exomes data on this position. Probably position not covered by the project.
GnomAD4 genome ? AF: 0.00000658 AC: 1AN: 151992Hom.: 0 Cov.: 32 AF XY: 0.0000135 AC XY: 1AN XY: 74244
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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