Genetic Variant BANK1:p.Lys109Gln (chr4-101830062-A-C) – ACMG Classification: Likely_benign (-2 pts)

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_017935.5(BANK1):c.325A>C(p.Lys109Gln) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000273 in 1,613,938 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: 𝑓 0.00019 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000010 ( 0 hom. )

Consequence

BANK1
NM_017935.5 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 1.91

Variant links:

Genes affected

BANK1 (HGNC:18233): (B cell scaffold protein with ankyrin repeats 1) The protein encoded by this gene is a B-cell-specific scaffold protein that functions in B-cell receptor-induced calcium mobilization from intracellular stores. This protein can also promote Lyn-mediated tyrosine phosphorylation of inositol 1,4,5-trisphosphate receptors. Polymorphisms in this gene are associated with susceptibility to systemic lupus erythematosus. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Oct 2009]

BANK1 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.031517565).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
BANK1	NM_017935.5 link	c.325A>C	p.Lys109Gln	missense_variant	Exon 2 of 17	ENST00000322953.9	NP_060405.5	Q8NDB2-1
BANK1	NM_001083907.3 link	c.235A>C	p.Lys79Gln	missense_variant	Exon 2 of 17		NP_001077376.3	Q8NDB2-3
BANK1	NM_001127507.3 link	c.71-24973A>C		intron_variant	Intron 1 of 15		NP_001120979.3	Q8NDB2-4

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
BANK1	ENST00000322953.9 link	c.325A>C	p.Lys109Gln	missense_variant	Exon 2 of 17	1	NM_017935.5	ENSP00000320509.4		Q8NDB2-1

Frequencies

GnomAD3 genomes

AF:

0.000191

AC:

AN:

152192

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000676

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.0000654

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

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:

0.0000239

AC:

AN:

251048

Hom.:

AF XY:

0.0000221

AC XY:

AN XY:

135684

show subpopulations

Gnomad AFR exome

AF:

0.000369

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:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000103

AC:

AN:

1461628

Hom.:

Cov.:

AF XY:

0.0000124

AC XY:

AN XY:

727126

show subpopulations

Gnomad4 AFR exome

AF:

0.000388

Gnomad4 AMR exome

AF:

0.0000447

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.00

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.00

Gnomad4 OTH exome

AF:

0.00

GnomAD4 genome

AF:

0.000190

AC:

AN:

152310

Hom.:

Cov.:

AF XY:

0.000215

AC XY:

AN XY:

74498

show subpopulations

Gnomad4 AFR

AF:

0.000674

Gnomad4 AMR

AF:

0.0000653

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.00

Gnomad4 OTH

AF:

0.00

Alfa

AF:

0.000135

Hom.:

Bravo

AF:

0.000166

ESP6500AA

AF:

0.000454

AC:

ESP6500EA

AF:

0.00

AC:

ExAC

AF:

0.0000247

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Oct 12, 2021

Ambry Genetics

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

The c.325A>C (p.K109Q) alteration is located in exon 2 (coding exon 2) of the BANK1 gene. This alteration results from a A to C substitution at nucleotide position 325, causing the lysine (K) at amino acid position 109 to be replaced by a glutamine (Q). 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

0.082

BayesDel_addAF

Benign

-0.62

BayesDel_noAF

Benign

-0.75

CADD

Benign

DANN

Benign

0.88

DEOGEN2

Benign

0.048

.;T;.

Eigen

Benign

-0.93

Eigen_PC

Benign

-0.80

FATHMM_MKL

Benign

0.20

LIST_S2

Benign

0.65

T;T;T

M_CAP

Benign

0.0035

MetaRNN

Benign

0.032

T;T;T

MetaSVM

Benign

-0.97

MutationAssessor

Benign

-0.34

.;N;.

PrimateAI

Benign

0.23

PROVEAN

Benign

0.28

N;N;N

REVEL

Benign

0.025

Sift

Benign

0.35

T;T;T

Sift4G

Benign

0.072

T;T;T

Polyphen

0.0010

B;B;.

Vest4

0.10

MVP

0.12

MPC

0.022

ClinPred

0.0096

GERP RS

3.5

Varity_R

0.062

gMVP

0.20

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