X-101353196-C-A
Position:
Variant summary
Our verdict is Likely pathogenic. Variant got 7 ACMG points: 7P and 0B. PVS1_StrongPM2PP5
The NM_000061.3(BTK):c.1906G>T(p.Glu636Ter) variant causes a stop gained, splice region change involving the alteration of a conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a pathogenic outcome for this variant. 2/3 splice prediction tools predict no significant impact on normal splicing. Variant has been reported in ClinVar as Pathogenic (no stars).
Frequency
Genomes: not found (cov: 22)
Consequence
BTK
NM_000061.3 stop_gained, splice_region
NM_000061.3 stop_gained, splice_region
Scores
3
1
1
Splicing: ADA: 0.9395
1
1
Clinical Significance
Conservation
PhyloP100: 7.91
Genes affected
BTK (HGNC:1133): (Bruton tyrosine kinase) The protein encoded by this gene plays a crucial role in B-cell development. Mutations in this gene cause X-linked agammaglobulinemia type 1, which is an immunodeficiency characterized by the failure to produce mature B lymphocytes, and associated with a failure of Ig heavy chain rearrangement. Alternative splicing results in multiple transcript variants encoding different isoforms. [provided by RefSeq, Dec 2013]
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ACMG classification
Classification made for transcript
Verdict is Likely_pathogenic. Variant got 7 ACMG points.
PVS1
Loss of function variant, product does not undergo nonsense mediated mRNA decay. Variant is located in the 3'-most 50 bp of the penultimate exon, not predicted to undergo nonsense mediated mRNA decay. There are 12 pathogenic variants in the truncated region.
PM2
Very rare variant in population databases, with high coverage;
PP5
Variant X-101353196-C-A is Pathogenic according to our data. Variant chrX-101353196-C-A is described in ClinVar as [Pathogenic]. Clinvar id is 11390.Status of the report is no_assertion_criteria_provided, 0 stars. Variant chrX-101353196-C-A is described in Lovd as [Pathogenic].
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
BTK | NM_000061.3 | c.1906G>T | p.Glu636Ter | stop_gained, splice_region_variant | 18/19 | ENST00000308731.8 | |
BTK | NM_001287344.2 | c.2008G>T | p.Glu670Ter | stop_gained, splice_region_variant | 18/19 | ||
BTK | NM_001287345.2 | c.1378G>T | p.Glu460Ter | stop_gained, splice_region_variant | 16/17 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
BTK | ENST00000308731.8 | c.1906G>T | p.Glu636Ter | stop_gained, splice_region_variant | 18/19 | 1 | NM_000061.3 | P3 |
Frequencies
GnomAD3 genomes Cov.: 22
GnomAD3 genomes
Cov.:
22
GnomAD4 exome Cov.: 29
GnomAD4 exome
Cov.:
29
GnomAD4 genome Cov.: 22
GnomAD4 genome
Cov.:
22
ClinVar
Significance: Pathogenic
Submissions summary: Pathogenic:1
Revision: no assertion criteria provided
LINK: link
Submissions by phenotype
X-linked agammaglobulinemia Pathogenic:1
Pathogenic, no assertion criteria provided | literature only | OMIM | Jan 01, 1994 | - - |
Computational scores
Source:
Name
Calibrated prediction
Score
Prediction
BayesDel_addAF
Pathogenic
D
BayesDel_noAF
Pathogenic
CADD
Pathogenic
DANN
Uncertain
FATHMM_MKL
Pathogenic
D
MutationTaster
Benign
A;A
Vest4
ClinPred
D
GERP RS
Splicing
Name
Calibrated prediction
Score
Prediction
dbscSNV1_ADA
Benign
dbscSNV1_RF
Pathogenic
SpliceAI score (max)
Details are displayed if max score is > 0.2
Find out detailed SpliceAI scores and Pangolin per-transcript scores at