Genetic Variant NM_021813.4:c.2458G>A (chr6-89932476-C-T) – ACMG Classification: Benign (-10 pts)

Variant summary

Our verdict is Benign. Variant got -10 ACMG points: 0P and 10B. BP4_StrongBP6_ModerateBS2

The NM_021813.4(BACH2):c.2458G>A(p.Val820Met) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000607 in 1,614,108 control chromosomes in the GnomAD database, including 1 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. V820L) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.00011 ( 0 hom., cov: 31)

Exomes 𝑓: 0.000055 ( 1 hom. )

Consequence

BACH2
NM_021813.4 missense

Scores

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: 7.49

Variant links:

Genes affected

BACH2 (HGNC:14078): (BTB domain and CNC homolog 2) Enables sequence-specific double-stranded DNA binding activity. Involved in primary adaptive immune response involving T cells and B cells. Located in cytosol and nucleoplasm. Implicated in immunodeficiency 60. [provided by Alliance of Genome Resources, Apr 2022]

BACH2 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -10 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.022406667).

BP6

Variant 6-89932476-C-T is Benign according to our data. Variant chr6-89932476-C-T is described in ClinVar as [Likely_benign]. Clinvar id is 1572614.Status of the report is criteria_provided_single_submitter, 1 stars.

BS2

High AC in GnomAd4 at 17 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
BACH2	NM_021813.4 link	c.2458G>A	p.Val820Met	missense_variant	Exon 9 of 9	ENST00000257749.9	NP_068585.1	Q9BYV9
BACH2	NM_001170794.2 link	c.2458G>A	p.Val820Met	missense_variant	Exon 7 of 7		NP_001164265.1	Q9BYV9

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
BACH2	ENST00000257749.9 link	c.2458G>A	p.Val820Met	missense_variant	Exon 9 of 9	1	NM_021813.4	ENSP00000257749.4		Q9BYV9

Frequencies

GnomAD3 genomes

AF:

0.000112

AC:

AN:

152124

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000241

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.0000655

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00289

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

GnomAD3 exomes

AF:

0.000227

AC:

AN:

251482

Hom.:

AF XY:

0.000184

AC XY:

AN XY:

135920

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.0000289

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00277

Gnomad SAS exome

AF:

0.0000327

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00000879

Gnomad OTH exome

AF:

0.000489

GnomAD4 exome

AF:

0.0000554

AC:

AN:

1461866

Hom.:

Cov.:

AF XY:

0.0000578

AC XY:

AN XY:

727240

show subpopulations

Gnomad4 AFR exome

AF:

0.000119

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00154

Gnomad4 SAS exome

AF:

0.0000464

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.00000540

Gnomad4 OTH exome

AF:

0.0000993

GnomAD4 genome

AF:

0.000112

AC:

AN:

152242

Hom.:

Cov.:

AF XY:

0.000134

AC XY:

AN XY:

74430

show subpopulations

Gnomad4 AFR

AF:

0.0000241

Gnomad4 AMR

AF:

0.0000654

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00289

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.00

Gnomad4 OTH

AF:

0.00

Alfa

AF:

0.0000769

Hom.:

Bravo

AF:

0.000185

ExAC

AF:

0.000189

AC:

Asia WGS

AF:

0.000577

AC:

AN:

3478

ClinVar

Significance: Likely benign

Submissions summary: Benign:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not provided

Benign:1

Jan 20, 2025

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

Benign

0.15

BayesDel_addAF

Benign

-0.28

BayesDel_noAF

Benign

-0.17

CADD

Pathogenic

DANN

Pathogenic

1.0

DEOGEN2

Benign

0.20

T;T;T

Eigen

Pathogenic

0.77

Eigen_PC

Pathogenic

0.77

FATHMM_MKL

Pathogenic

1.0

LIST_S2

Uncertain

0.88

.;D;.

M_CAP

Benign

0.023

MetaRNN

Benign

0.022

T;T;T

MetaSVM

Benign

-0.70

MutationAssessor

Uncertain

2.2

M;M;M

PrimateAI

Pathogenic

0.80

PROVEAN

Benign

-0.80

N;N;N

REVEL

Benign

0.21

Sift

Uncertain

0.0030

D;D;D

Sift4G

Benign

0.10

T;T;T

Polyphen

1.0

D;D;D

Vest4

0.73

MVP

0.41

MPC

1.4

ClinPred

0.13

GERP RS

5.5

Varity_R

0.37

gMVP

0.34

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