rs201124889
Variant summary
Our verdict is Likely benign. The variant received -4 ACMG points: 0P and 4B. BP4_Strong
The NM_012452.3(TNFRSF13B):c.364C>T(p.Arg122Trp) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000146 in 1,614,044 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R122Q) has been classified as Uncertain significance.
Frequency
Consequence
NM_012452.3 missense
Scores
Clinical Significance
Conservation
Publications
- immunodeficiency, common variable, 2Inheritance: AD, AR Classification: DEFINITIVE, STRONG, LIMITED Submitted by: Labcorp Genetics (formerly Invitae), Laboratory for Molecular Medicine, ClinGen, G2P, Ambry Genetics
- common variable immunodeficiencyInheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
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ACMG classification
Our verdict: Likely_benign. The variant received -4 ACMG points.
Transcripts
RefSeq
Ensembl
Frequencies
GnomAD3 genomes AF: 0.0000657 AC: 10AN: 152158Hom.: 0 Cov.: 32 show subpopulations
GnomAD2 exomes AF: 0.000235 AC: 59AN: 251474 AF XY: 0.000272 show subpopulations
GnomAD4 exome AF: 0.000155 AC: 226AN: 1461886Hom.: 0 Cov.: 35 AF XY: 0.000160 AC XY: 116AN XY: 727240 show subpopulations
Age Distribution
GnomAD4 genome AF: 0.0000657 AC: 10AN: 152158Hom.: 0 Cov.: 32 AF XY: 0.000108 AC XY: 8AN XY: 74318 show subpopulations
Age Distribution
ClinVar
Submissions by phenotype
Immunodeficiency, common variable, 2 Uncertain:1
This sequence change replaces arginine, which is basic and polar, with tryptophan, which is neutral and slightly polar, at codon 122 of the TNFRSF13B protein (p.Arg122Trp). This variant is present in population databases (rs201124889, gnomAD 0.04%). This missense change has been observed in individual(s) with common variable immunodeficiency (CVID) and IgA deficiency (PMID: 17392797). ClinVar contains an entry for this variant (Variation ID: 577737). Advanced modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) has been performed at Invitae for this missense variant, however the output from this modeling did not meet the statistical confidence thresholds required to predict the impact of this variant on TNFRSF13B protein function. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. -
Computational scores
Source:
Splicing
Find out detailed SpliceAI scores and Pangolin per-transcript scores at