dbSNP rs758663053: BEGAIN:p.Arg589Trp (chr14-100538043-G-A) – ACMG Classification: Uncertain_significance (2 pts)

Variant summary

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

The NM_001385089.1(BEGAIN):c.1765C>T(p.Arg589Trp) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000249 in 1,607,716 control chromosomes in the GnomAD database, with no homozygous occurrence. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R589G) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 33)

Exomes 𝑓: 0.0000014 ( 0 hom. )

Consequence

BEGAIN
NM_001385089.1 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 1.42

Publications

0 publications found

Variant links:

Genes affected

BEGAIN (HGNC:24163): (brain enriched guanylate kinase associated) Predicted to be involved in regulation of postsynaptic neurotransmitter receptor activity. Predicted to act upstream of or within evoked excitatory postsynaptic potential. Predicted to be located in dendrite; nucleus; and presynapse. Predicted to be active in glutamatergic synapse and postsynapse. [provided by Alliance of Genome Resources, Apr 2022]

BEGAIN links:

LOC124903382 (HGNC:):

LOC124903382 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
BEGAIN	NM_001385089.1 link	c.1765C>T	p.Arg589Trp	missense_variant	Exon 7 of 7	ENST00000554140.3	NP_001372018.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
BEGAIN	ENST00000554140.3 link	c.1765C>T	p.Arg589Trp	missense_variant	Exon 7 of 7	5	NM_001385089.1	ENSP00000451125.2		G3V3A2

Frequencies

GnomAD3 genomes

AF:

0.0000131

AC:

AN:

152192

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000483

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

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

GnomAD2 exomes

AF:

0.00000850

AC:

AN:

235424

AF XY:

0.00000775

show subpopulations

Gnomad AFR exome

AF:

0.0000694

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:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000137

AC:

AN:

1455524

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

723954

show subpopulations

⚠️ The allele balance in gnomAD version 4 Exomes is significantly skewed from the expected value of 0.5.

African (AFR)

AF:

0.0000301

AC:

AN:

33214

American (AMR)

AF:

0.00

AC:

AN:

44148

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25890

East Asian (EAS)

AF:

0.00

AC:

AN:

39578

South Asian (SAS)

AF:

0.0000117

AC:

AN:

85612

European-Finnish (FIN)

AF:

0.00

AC:

AN:

51880

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5088

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1110128

Other (OTH)

AF:

0.00

AC:

AN:

59986

⚠️ The allele balance in gnomAD4 Exomes is highly skewed from 0.5 (p-value = 0.029673), which strongly suggests a high chance of mosaicism in these individuals.

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.400

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

AF:

0.0000131

AC:

AN:

152192

Hom.:

Cov.:

AF XY:

0.0000135

AC XY:

AN XY:

74346

show subpopulations

African (AFR)

AF:

0.0000483

AC:

AN:

41440

American (AMR)

AF:

0.00

AC:

AN:

15290

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5192

South Asian (SAS)

AF:

0.00

AC:

AN:

4836

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10630

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

68016

Other (OTH)

AF:

0.00

AC:

AN:

2092

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.575

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.0000189

ExAC

AF:

0.00000828

AC:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.21

BayesDel_addAF

Pathogenic

0.19

BayesDel_noAF

Uncertain

0.040

CADD

Benign

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.17

.;T;.;T

Eigen

Benign

-0.19

Eigen_PC

Benign

-0.38

FATHMM_MKL

Benign

0.72

LIST_S2

Uncertain

0.97

D;.;D;D

M_CAP

Pathogenic

0.45

MetaRNN

Uncertain

0.74

D;D;D;D

MetaSVM

Benign

-0.34

MutationAssessor

Uncertain

2.3

.;M;.;M

PhyloP100

1.4

PrimateAI

Pathogenic

0.87

PROVEAN

Pathogenic

-6.5

.;D;.;D

REVEL

Uncertain

0.30

Sift

Pathogenic

0.0

.;D;.;D

Sift4G

Uncertain

0.0020

.;D;.;D

Polyphen

1.0

.;D;.;D

Vest4

0.55, 0.55

MutPred

0.34

.;Gain of catalytic residue at R570 (P = 2e-04);.;Gain of catalytic residue at R570 (P = 2e-04);

MVP

0.49

MPC

1.3

ClinPred

0.95

GERP RS

-0.28

Varity_R

0.62

gMVP

0.37

Mutation Taster

=83/17

polymorphism

(source)

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

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rs758663053

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over