rs570345199

Variant summary

Our verdict is Likely benign. The variant received -1 ACMG points: 0P and 1B. BP4

The NM_001364905.1(LRBA):​c.3995T>C​(p.Met1332Thr) variant causes a missense change. The variant allele was found at a frequency of 0.00000622 in 1,608,040 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: 𝑓 0.000020 ( 0 hom., cov: 32)
Exomes 𝑓: 0.0000048 ( 0 hom. )

Consequence

LRBA
NM_001364905.1 missense

Scores

2
6
10

Clinical Significance

Uncertain significance criteria provided, multiple submitters, no conflicts U:2

Conservation

PhyloP100: 7.12

Publications

0 publications found
Variant links:
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]
LRBA Gene-Disease associations (from GenCC):
  • combined immunodeficiency due to LRBA deficiency
    Inheritance: AR Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: G2P, ClinGen, Labcorp Genetics (formerly Invitae), Orphanet, Genomics England PanelApp

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -1 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.34493935).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001364905.1. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Selected
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
LRBA
NM_001364905.1
MANE Select
c.3995T>Cp.Met1332Thr
missense
Exon 24 of 57NP_001351834.1
LRBA
NM_001440430.1
c.3995T>Cp.Met1332Thr
missense
Exon 24 of 58NP_001427359.1
LRBA
NM_006726.5
c.3995T>Cp.Met1332Thr
missense
Exon 24 of 58NP_006717.2

Ensembl Transcripts

Selected
GeneTranscriptTagsHGVScHGVSpEffectExon RankProteinUniProt
LRBA
ENST00000651943.2
MANE Select
c.3995T>Cp.Met1332Thr
missense
Exon 24 of 57ENSP00000498582.2
LRBA
ENST00000357115.9
TSL:1
c.3995T>Cp.Met1332Thr
missense
Exon 24 of 58ENSP00000349629.3
LRBA
ENST00000510413.5
TSL:1
c.3995T>Cp.Met1332Thr
missense
Exon 24 of 57ENSP00000421552.1

Frequencies

GnomAD3 genomes
AF:
0.0000197
AC:
3
AN:
152168
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.000577
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.00
GnomAD2 exomes
AF:
0.0000321
AC:
8
AN:
248888
AF XY:
0.0000223
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.000438
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000481
AC:
7
AN:
1455754
Hom.:
0
Cov.:
28
AF XY:
0.00000138
AC XY:
1
AN XY:
724434
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
33312
American (AMR)
AF:
0.00
AC:
0
AN:
44330
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
26022
East Asian (EAS)
AF:
0.000177
AC:
7
AN:
39556
South Asian (SAS)
AF:
0.00
AC:
0
AN:
85690
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
53378
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5748
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
1107572
Other (OTH)
AF:
0.00
AC:
0
AN:
60146
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.511
Heterozygous variant carriers
0
1
1
2
2
3
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
GnomAD4 genome
AF:
0.0000197
AC:
3
AN:
152286
Hom.:
0
Cov.:
32
AF XY:
0.0000134
AC XY:
1
AN XY:
74458
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
41566
American (AMR)
AF:
0.00
AC:
0
AN:
15300
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3470
East Asian (EAS)
AF:
0.000578
AC:
3
AN:
5190
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4824
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10608
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
294
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
68012
Other (OTH)
AF:
0.00
AC:
0
AN:
2110
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.525
Heterozygous variant carriers
0
0
1
1
2
2
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
Alfa
AF:
0.00
Hom.:
0
Bravo
AF:
0.0000151
ExAC
AF:
0.0000494
AC:
6

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:2
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

Combined immunodeficiency due to LRBA deficiency Uncertain:1
May 19, 2022
Labcorp Genetics (formerly Invitae), Labcorp
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

This sequence change replaces methionine, which is neutral and non-polar, with threonine, which is neutral and polar, at codon 1332 of the LRBA protein (p.Met1332Thr). This variant is present in population databases (rs570345199, gnomAD 0.05%). This variant has not been reported in the literature in individuals affected with LRBA-related conditions. ClinVar contains an entry for this variant (Variation ID: 473177). Algorithms developed to predict the effect of missense changes on protein structure and function are either unavailable or do not agree on the potential impact of this missense change (SIFT: "Tolerated"; PolyPhen-2: "Probably Damaging"; Align-GVGD: "Class C0"). 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.

Inborn genetic diseases Uncertain:1
Dec 05, 2024
Ambry Genetics
Significance:Uncertain significance
Review Status:criteria provided, single submitter
Collection Method:clinical testing

The c.3995T>C (p.M1332T) alteration is located in exon 24 (coding exon 23) of the LRBA gene. This alteration results from a T to C substitution at nucleotide position 3995, causing the methionine (M) at amino acid position 1332 to be replaced by a threonine (T). Based on insufficient or conflicting evidence, the clinical significance of this alteration remains unclear.

Computational scores

Source: dbNSFP v4.9

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Uncertain
0.43
BayesDel_addAF
Benign
0.0099
T
BayesDel_noAF
Uncertain
0.11
CADD
Benign
23
DANN
Benign
0.94
DEOGEN2
Benign
0.064
T
Eigen
Uncertain
0.50
Eigen_PC
Uncertain
0.59
FATHMM_MKL
Pathogenic
0.99
D
LIST_S2
Uncertain
0.90
D
M_CAP
Benign
0.017
T
MetaRNN
Benign
0.34
T
MetaSVM
Benign
-0.86
T
MutationAssessor
Benign
1.9
L
PhyloP100
7.1
PrimateAI
Pathogenic
0.88
D
PROVEAN
Uncertain
-2.5
D
REVEL
Benign
0.24
Sift
Benign
0.21
T
Sift4G
Benign
0.18
T
Polyphen
0.97
D
Vest4
0.79
MutPred
0.30
Gain of relative solvent accessibility (P = 0.0479)
MVP
0.60
MPC
0.56
ClinPred
0.25
T
GERP RS
6.0
RBP_binding_hub_radar
0.0
RBP_regulation_power_radar
1.7
Varity_R
0.37
gMVP
0.56
Mutation Taster
=24/76
disease causing

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.010
Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

Other links and lift over

dbSNP: rs570345199; hg19: chr4-151771885; API