Variant chr6-26372971-G-A details in Genebe, Genetics Data Aggregator

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_007047.5(BTN3A2):c.790G>A(p.Ala264Thr) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000479 in 1,461,878 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.0000048 ( 0 hom. )

Consequence

BTN3A2
NM_007047.5 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -0.517

Variant links:

Genes affected

BTN3A2 (HGNC:1139): (butyrophilin subfamily 3 member A2) This gene encodes a member of the immunoglobulin superfamily, which resides in the juxta-telomeric region of the major histocompatability class 1 locus and is clustered with the other family members on chromosome 6. The encoded protein may be involved in the adaptive immune response. Alternatively spliced transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jun 2013]

BTN3A2 links:

(HGNC:):

links:

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 0 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.10730553).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
BTN3A2	NM_007047.5 linkuse as main transcript	c.790G>A	p.Ala264Thr	missense_variant	6/11	ENST00000377708.7	NP_008978.2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
BTN3A2	ENST00000377708.7 linkuse as main transcript	c.790G>A	p.Ala264Thr	missense_variant	6/11	1	NM_007047.5	ENSP00000366937	P2	P78410-1
	ENST00000707189.1 linkuse as main transcript	n.1000-180216G>A		intron_variant, non_coding_transcript_variant
	ENST00000707191.1 linkuse as main transcript	n.1001-159734G>A		intron_variant, non_coding_transcript_variant

Frequencies

GnomAD3 genomes

Cov.:

GnomAD3 exomes

AF:

0.00000796

AC:

AN:

251390

Hom.:

AF XY:

0.0000147

AC XY:

AN XY:

135862

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000176

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000479

AC:

AN:

1461878

Hom.:

Cov.:

AF XY:

0.00000688

AC XY:

AN XY:

727238

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.0000252

Gnomad4 SAS exome

AF:

0.00

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.00000540

Gnomad4 OTH exome

AF:

0.00

GnomAD4 genome

Cov.:

Bravo

AF:

0.00000378

ExAC

AF:

0.00000824

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Ambry Genetics

Feb 13, 2023

The c.790G>A (p.A264T) alteration is located in exon 6 (coding exon 4) of the BTN3A2 gene. This alteration results from a G to A substitution at nucleotide position 790, causing the alanine (A) at amino acid position 264 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 v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.096

BayesDel_addAF

Benign

-0.31

BayesDel_noAF

Benign

-0.67

CADD

Benign

2.8

DANN

Benign

0.96

DEOGEN2

Benign

0.0045

.;.;T;T;T;T;T

Eigen

Benign

-0.78

Eigen_PC

Benign

-1.0

FATHMM_MKL

Benign

0.021

LIST_S2

Benign

0.43

T;T;.;.;.;T;T

M_CAP

Benign

0.00087

MetaRNN

Benign

0.11

T;T;T;T;T;T;T

MetaSVM

Benign

-0.94

MutationAssessor

Benign

1.4

.;.;L;L;L;L;.

MutationTaster

Benign

1.0

N;N;N;N;N;N

PrimateAI

Benign

0.27

PROVEAN

Benign

-1.1

N;N;N;N;N;N;.

REVEL

Benign

0.030

Sift

Benign

0.091

T;T;T;T;T;T;.

Sift4G

Benign

0.35

T;T;T;T;T;T;T

Polyphen

0.86

.;.;P;P;P;P;.

Vest4

0.064

MutPred

0.41

.;.;Gain of sheet (P = 0.0827);Gain of sheet (P = 0.0827);Gain of sheet (P = 0.0827);Gain of sheet (P = 0.0827);.;

MVP

0.14

MPC

0.082

ClinPred

0.059

GERP RS

-1.4

Varity_R

0.022

gMVP

0.035

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