rs747052936
Variant summary
Our verdict is Likely benign. Variant got -3 ACMG points: 2P and 5B. PM2BP4_StrongBP7
The NM_001364905.1(LRBA):c.1659A>G(p.Lys553=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000103 in 1,461,368 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).
Frequency
Genomes: not found (cov: 31)
Exomes 𝑓: 0.000010 ( 0 hom. )
Consequence
LRBA
NM_001364905.1 synonymous
NM_001364905.1 synonymous
Scores
2
Clinical Significance
Conservation
PhyloP100: -0.195
Genes affected
LRBA (HGNC:1742): (LPS responsive beige-like anchor protein) The protein encoded by this gene is a member of the WDL-BEACH-WD (WBW) gene family. Its expression is induced in B cells and macrophages by bacterial lipopolysaccharides (LPS). The encoded protein associates with protein kinase A and may be involved in leading intracellular vesicles to activated receptor complexes, which aids in the secretion and/or membrane deposition of immune effector molecules. Defects in this gene are associated with the disorder common variable immunodeficiency-8 with autoimmunity. Two transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Dec 2012]
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ACMG classification
Classification made for transcript
Verdict is Likely_benign. Variant got -3 ACMG points.
PM2
?
Very rare variant in population databases, with high coverage;
BP4
?
Computational evidence support a benign effect (BayesDel_noAF=-0.51).
BP7
?
Synonymous conserved (PhyloP=-0.195 with no splicing effect.
Transcripts
RefSeq
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | MANE | UniProt |
---|---|---|---|---|---|---|---|
LRBA | NM_001364905.1 | c.1659A>G | p.Lys553= | synonymous_variant | 13/57 | ENST00000651943.2 |
Ensembl
Gene | Transcript | HGVSc | HGVSp | Effect | #exon/exons | TSL | MANE | Appris | UniProt |
---|---|---|---|---|---|---|---|---|---|
LRBA | ENST00000651943.2 | c.1659A>G | p.Lys553= | synonymous_variant | 13/57 | NM_001364905.1 | P3 |
Frequencies
GnomAD3 genomes ? Cov.: 31
GnomAD3 genomes
?
Cov.:
31
GnomAD4 exome AF: 0.0000103 AC: 15AN: 1461368Hom.: 0 Cov.: 30 AF XY: 0.00 AC XY: 0AN XY: 726984
GnomAD4 exome
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AC:
15
AN:
1461368
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30
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0
AN XY:
726984
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GnomAD4 genome ? Cov.: 31
GnomAD4 genome
?
Cov.:
31
ClinVar
Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link
Submissions by phenotype
Combined immunodeficiency due to LRBA deficiency Uncertain:1
Uncertain significance, criteria provided, single submitter | clinical testing | Invitae | Nov 01, 2017 | 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. Algorithms developed to predict the effect of sequence changes on RNA splicing suggest that this variant may create or strengthen a splice site, but this prediction has not been confirmed by published transcriptional studies. This variant has not been reported in the literature in individuals with LRBA-related disease. This variant is present in population databases (rs747052936, ExAC 0.002%). This sequence change affects codon 553 of the LRBA mRNA. It is a 'silent' change, meaning that it does not change the encoded amino acid sequence of the LRBA protein. - |
Computational scores
Source:
Name
Calibrated prediction
Score
Prediction
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