rs116526975

Variant names:

Variant summary

Our verdict is Benign. Variant got -7 ACMG points: 2P and 9B. PM2BP4_StrongBP6BS1

The NM_001364905.1(LRBA):c.6662T>C(p.Ile2221Thr) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.000146 in 1,555,104 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 Conflicting classifications of pathogenicity (no stars).

Frequency

Genomes: 𝑓 0.00079 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000076 ( 0 hom. )

Consequence

LRBA
NM_001364905.1 missense

Scores

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:3B:1

Conservation

PhyloP100: 9.30

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 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -7 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.03741923).

BP6

Variant 4-150471629-A-G is Benign according to our data. Variant chr4-150471629-A-G is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 567653.We mark this variant Likely_benign, oryginal submissions are: {Likely_benign=1, Uncertain_significance=2}.

BS1

Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.000795 (121/152240) while in subpopulation AFR AF= 0.00248 (103/41584). AF 95% confidence interval is 0.00209. There are 0 homozygotes in gnomad4. There are 58 alleles in male gnomad4 subpopulation. Median coverage is 32. This position pass quality control queck.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
LRBA	NM_001364905.1 link	c.6662T>C	p.Ile2221Thr	missense_variant	Exon 43 of 57	ENST00000651943.2	NP_001351834.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
LRBA	ENST00000651943.2 link	c.6662T>C	p.Ile2221Thr	missense_variant	Exon 43 of 57		NM_001364905.1	ENSP00000498582.2		A0A494C1L5

Frequencies

GnomAD3 genomes

AF:

0.000795

AC:

121

AN:

152122

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00248

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00111

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.000207

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.00

Gnomad OTH

AF:

0.00

GnomAD3 exomes

AF:

0.000166

AC:

AN:

235218

Hom.:

AF XY:

0.0000943

AC XY:

AN XY:

127268

show subpopulations

Gnomad AFR exome

AF:

0.00220

Gnomad AMR exome

AF:

0.0000339

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.0000378

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00000913

Gnomad OTH exome

AF:

0.000173

GnomAD4 exome

AF:

0.0000756

AC:

106

AN:

1402864

Hom.:

Cov.:

AF XY:

0.0000856

AC XY:

AN XY:

700606

show subpopulations

Gnomad4 AFR exome

AF:

0.00232

Gnomad4 AMR exome

AF:

0.000256

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.0000492

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.00000374

Gnomad4 OTH exome

AF:

0.000240

GnomAD4 genome

AF:

0.000795

AC:

121

AN:

152240

Hom.:

Cov.:

AF XY:

0.000779

AC XY:

AN XY:

74430

show subpopulations

Gnomad4 AFR

AF:

0.00248

Gnomad4 AMR

AF:

0.00111

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.000207

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.00

Gnomad4 OTH

AF:

0.00

Alfa

AF:

0.000160

Hom.:

Bravo

AF:

0.00104

ESP6500AA

AF:

0.00159

AC:

ESP6500EA

AF:

0.00

AC:

ExAC

AF:

0.000214

AC:

Asia WGS

AF:

0.000289

AC:

AN:

3478

ClinVar

Significance: Conflicting classifications of pathogenicity

Submissions summary: Uncertain:3Benign:1

Revision: criteria provided, conflicting classifications

LINK: link

Submissions by phenotype

not provided

Uncertain:2

Jul 01, 2024

CeGaT Center for Human Genetics Tuebingen

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

- -

Mar 23, 2020

Mayo Clinic Laboratories, Mayo Clinic

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

- -

LRBA-related disorder

Uncertain:1

May 07, 2024

PreventionGenetics, part of Exact Sciences

Significance: Uncertain significance

Review Status: no assertion criteria provided

Collection Method: clinical testing

The LRBA c.6695T>C variant is predicted to result in the amino acid substitution p.Ile2232Thr. This variant, along with another variant in LRBA, was reported in an individual with common variable immunodeficiency (Maffucci et al. 2016. PubMed ID: 27379089). This variant was also reported in the heterozygous state in an individual with features of immunodeficiency (Supplemental Data E3, Similuk et al. 2022. PubMed ID: 35753512). This variant is reported in 0.23% of alleles in individuals of African descent in gnomAD. At this time, the clinical significance of this variant is uncertain due to the absence of conclusive functional and genetic evidence. -

Combined immunodeficiency due to LRBA deficiency

Benign:1

Dec 02, 2024

Labcorp Genetics (formerly Invitae), Labcorp

Significance: Likely benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Uncertain

0.44

BayesDel_addAF

Benign

-0.052

BayesDel_noAF

Pathogenic

0.15

CADD

Uncertain

DANN

Uncertain

1.0

DEOGEN2

Uncertain

0.68

.;D;.;.

Eigen

Uncertain

0.62

Eigen_PC

Uncertain

0.62

FATHMM_MKL

Pathogenic

0.98

LIST_S2

Uncertain

0.94

D;D;D;D

M_CAP

Uncertain

0.17

MetaRNN

Benign

0.037

T;T;T;T

MetaSVM

Uncertain

0.25

MutationAssessor

Pathogenic

3.2

.;M;.;.

PrimateAI

Uncertain

0.73

PROVEAN

Uncertain

-4.0

D;D;.;D

REVEL

Pathogenic

0.85

Sift

Uncertain

0.0010

D;D;.;D

Sift4G

Pathogenic

0.0010

D;D;.;D

Polyphen

0.32

B;P;.;.

Vest4

0.80

MVP

0.87

MPC

0.40

ClinPred

0.25

GERP RS

5.3

Varity_R

0.67

gMVP

0.71

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.0

Details are displayed if max score is > 0.2

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

Publications

LitVar

Below is the list of publications found by LitVar. It may be empty.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over