22-50579047-A-G
Variant summary
Our verdict is Benign. Variant got -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBA1
The NM_005198.5(CHKB):c.*134T>C variant causes a 3 prime UTR change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0898 in 847,002 control chromosomes in the GnomAD database, including 6,122 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).
Frequency
Consequence
NM_005198.5 3_prime_UTR
Scores
Clinical Significance
Conservation
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ACMG classification
Verdict is Benign. Variant got -20 ACMG points.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | Exon rank | MANE | Protein | UniProt |
---|---|---|---|---|---|---|---|---|
CHKB | NM_005198.5 | c.*134T>C | 3_prime_UTR_variant | Exon 11 of 11 | ENST00000406938.3 | NP_005189.2 | ||
CHKB-CPT1B | NR_027928.2 | n.1540T>C | non_coding_transcript_exon_variant | Exon 11 of 30 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | Exon rank | TSL | MANE | Protein | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|---|
CHKB | ENST00000406938 | c.*134T>C | 3_prime_UTR_variant | Exon 11 of 11 | 1 | NM_005198.5 | ENSP00000384400.3 | |||
CHKB-CPT1B | ENST00000453634.5 | n.*134T>C | non_coding_transcript_exon_variant | Exon 3 of 23 | 5 | ENSP00000457031.1 | ||||
CHKB-CPT1B | ENST00000453634.5 | n.*134T>C | 3_prime_UTR_variant | Exon 3 of 23 | 5 | ENSP00000457031.1 |
Frequencies
GnomAD3 genomes AF: 0.101 AC: 15424AN: 152110Hom.: 1207 Cov.: 32
GnomAD4 exome AF: 0.0872 AC: 60592AN: 694774Hom.: 4912 Cov.: 9 AF XY: 0.0887 AC XY: 32414AN XY: 365472
GnomAD4 genome AF: 0.102 AC: 15458AN: 152228Hom.: 1210 Cov.: 32 AF XY: 0.106 AC XY: 7895AN XY: 74444
ClinVar
Submissions by phenotype
not provided Benign:2
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Megaconial type congenital muscular dystrophy Benign:1
This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score and internal cut-off values, a variant classified as benign is not then subjected to further curation. The score for this variant resulted in a classification of benign for this disease. -
Computational scores
Source:
Splicing
Find out detailed SpliceAI scores and Pangolin per-transcript scores at