NM_021813.4:c.2408C>T

Variant names:

• chr6-89932526-G-A
• rs769816700
• NM_021813.4:c.2408C>T

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2 BP4_Moderate

The NM_021813.4(BACH2):​c.2408C>T​(p.Thr803Ile) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000274 in 1,461,888 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/22 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★★).

• Frequency:
  • Genomes: not found (cov: 31)
  • Exomes 𝑓: 0.0000027 (0 hom.)
• Consequence: BACH2 NM_021813.4 missense
• Clinical Significance: Uncertain significance criteria provided, multiple submitters, no conflicts U:2
• Conservation: PhyloP100: 2.95
• Publications: 0 publications found

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 Gene-Disease associations (from GenCC):

• immunodeficiency 60

  Inheritance: AD Classification: STRONG, MODERATE, LIMITED Submitted by: Ambry Genetics, Illumina, ClinGen, Labcorp Genetics (formerly Invitae)

ACMG classification

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

• PM2: Very rare variant in population databases, with high coverage
• BP4: Computational evidence support a benign effect (MetaRNN=0.08858907).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_021813.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	BACH2	NM_021813.4	MANE Select	c.2408C>T	p.Thr803Ile	missense	Exon 9 of 9	NP_068585.1	Q9BYV9
	BACH2	NM_001170794.2		c.2408C>T	p.Thr803Ile	missense	Exon 7 of 7	NP_001164265.1	Q9BYV9

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	BACH2	ENST00000257749.9	TSL:1 MANE Select	c.2408C>T	p.Thr803Ile	missense	Exon 9 of 9	ENSP00000257749.4	Q9BYV9
	BACH2	ENST00000343122.7	TSL:5	c.2408C>T	p.Thr803Ile	missense	Exon 7 of 7	ENSP00000345642.3	Q9BYV9
	BACH2	ENST00000406998.7	TSL:2	c.2408C>T	p.Thr803Ile	missense	Exon 7 of 7	ENSP00000384145.3	Q9BYV9

Frequencies

GnomAD3 genomes Cov.: 31

GnomAD2 exomes AF: 0.00000796 AC: 2 AN: 251408 AF XY: 0.0000147

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 FIN exome AF: 0.00

Gnomad NFE exome AF: 0.00000880

Gnomad OTH exome AF: 0.00

GnomAD4 exome AF: 0.00000274 AC: 4 AN: 1461888 Hom.: 0 Cov.: 30 AF XY: 0.00000413 AC XY: 3 AN XY: 727246

African (AFR) AF: 0.00 AC: 0 AN: 33480

American (AMR) AF: 0.00 AC: 0 AN: 44724

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 26136

East Asian (EAS) AF: 0.00 AC: 0 AN: 39700

South Asian (SAS) AF: 0.0000116 AC: 1 AN: 86258

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 53414

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5768

European-Non Finnish (NFE) AF: 0.00000270 AC: 3 AN: 1112012

Other (OTH) AF: 0.00 AC: 0 AN: 60396

GnomAD4 genome Cov.: 31

Alfa AF: 0.000111 Hom.: 0

ExAC AF: 0.00000824 AC: 1

ClinVar

ClinVar submissions

Significance: Uncertain significance

Revision: criteria provided, multiple submitters, no conflicts

Pathogenic	VUS	Benign	Condition
-	1	-	not provided (1)
-	1	-	not specified (1)

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
AlphaMissense	Benign	0.080
BayesDel_addAF	Benign	-0.26	T
BayesDel_noAF	Benign	-0.51
CADD	Benign	11
DANN	Benign	0.96
DEOGEN2	Benign	0.18	T
Eigen	Benign	-0.36
Eigen_PC	Benign	-0.33
FATHMM_MKL	Uncertain	0.96	D
LIST_S2	Benign	0.29	T
M_CAP	Benign	0.0080	T
MetaRNN	Benign	0.089	T
MetaSVM	Benign	-1.0	T
MutationAssessor	Benign	1.5	L
PhyloP100		2.9
PrimateAI	Uncertain	0.50	T
PROVEAN	Benign	-1.1	N
REVEL	Benign	0.050
Sift	Uncertain	0.0090	D
Sift4G	Benign	0.079	T
Polyphen		0.11	B
Vest4		0.16
MutPred		0.17		Gain of helix (P = 0.005)
MVP		0.26
MPC		0.59
ClinPred		0.098	T
GERP RS		1.5
Varity_R		0.054
gMVP		0.18
Mutation Taster		=98/2	polymorphism

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

Other links and lift over

dbSNP: rs769816700; hg19: chr6-90642245;