22-19788867-G-A

Variant names:

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2

The NM_053004.3(GNB1L):c.826C>T(p.Arg276Cys) variant causes a missense change. The variant allele was found at a frequency of 0.0000397 in 1,612,770 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000092 ( 0 hom., cov: 33)

Exomes 𝑓: 0.000034 ( 0 hom. )

Consequence

GNB1L
NM_053004.3 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 7.13

Variant links:

Genes affected

GNB1L (HGNC:4397): (G protein subunit beta 1 like) This gene encodes a G-protein beta-subunit-like polypeptide which is a member of the WD repeat protein family. WD repeats are minimally conserved regions of approximately 40 amino acids typically bracketed by gly-his and trp-asp (GH-WD), which may facilitate formation of heterotrimeric or multiprotein complexes. Members of this family are involved in a variety of cellular processes, including cell cycle progression, signal transduction, apoptosis, and gene regulation. This protein contains 6 WD repeats and is highly expressed in the heart. The gene maps to the region on chromosome 22q11, which is deleted in DiGeorge syndrome, trisomic in derivative 22 syndrome and tetrasomic in cat-eye syndrome. Therefore, this gene may contribute to the etiology of those disorders. Transcripts from this gene share exons with some transcripts from the C22orf29 gene. [provided by RefSeq, Jul 2008]

GNB1L links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 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
GNB1L	NM_053004.3 link	c.826C>T	p.Arg276Cys	missense_variant	Exon 8 of 8	ENST00000329517.11	NP_443730.1	Q9BYB4-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
GNB1L	ENST00000329517.11 link	c.826C>T	p.Arg276Cys	missense_variant	Exon 8 of 8	1	NM_053004.3	ENSP00000331313.6	Q9BYB4-1
GNB1L	ENST00000403325.5 link	c.826C>T	p.Arg276Cys	missense_variant	Exon 7 of 7	1		ENSP00000385154.1	Q9BYB4-1
GNB1L	ENST00000405009.5 link	c.631-241C>T		intron_variant	Intron 7 of 7	1		ENSP00000384626.1	Q9BYB4-2
GNB1L	ENST00000460402.5 link	n.794C>T		non_coding_transcript_exon_variant	Exon 6 of 6	3

Frequencies

GnomAD3 genomes

AF:

0.0000919

AC:

AN:

152260

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.000458

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00115

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000147

Gnomad OTH

AF:

0.00

GnomAD3 exomes

AF:

0.0000645

AC:

AN:

248058

Hom.:

AF XY:

0.0000371

AC XY:

AN XY:

134920

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.000116

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.000602

Gnomad SAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00000900

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000342

AC:

AN:

1460510

Hom.:

Cov.:

AF XY:

0.0000399

AC XY:

AN XY:

726586

show subpopulations

Gnomad4 AFR exome

AF:

0.0000299

Gnomad4 AMR exome

AF:

0.0000895

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.000882

Gnomad4 SAS exome

AF:

0.0000116

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.00000809

Gnomad4 OTH exome

AF:

0.00

GnomAD4 genome

AF:

0.0000919

AC:

AN:

152260

Hom.:

Cov.:

AF XY:

0.000161

AC XY:

AN XY:

74394

show subpopulations

Gnomad4 AFR

AF:

0.00

Gnomad4 AMR

AF:

0.000458

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00115

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.0000147

Gnomad4 OTH

AF:

0.00

Alfa

AF:

0.0000282

Hom.:

Bravo

AF:

0.000155

ExAC

AF:

0.0000577

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Mar 07, 2024

Ambry Genetics

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

The c.826C>T (p.R276C) alteration is located in exon 8 (coding exon 6) of the GNB1L gene. This alteration results from a C to T substitution at nucleotide position 826, causing the arginine (R) at amino acid position 276 to be replaced by a cysteine (C). 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

0.10

BayesDel_addAF

Benign

-0.20

BayesDel_noAF

Benign

-0.17

CADD

Pathogenic

DANN

Uncertain

1.0

DEOGEN2

Uncertain

0.46

T;T

Eigen

Uncertain

0.43

Eigen_PC

Uncertain

0.27

FATHMM_MKL

Pathogenic

0.97

LIST_S2

Uncertain

0.93

.;D

M_CAP

Uncertain

0.17

MetaRNN

Uncertain

0.67

D;D

MetaSVM

Uncertain

0.092

MutationAssessor

Pathogenic

3.5

H;H

PrimateAI

Uncertain

0.65

PROVEAN

Pathogenic

-6.9

D;D

REVEL

Uncertain

0.43

Sift

Uncertain

0.0010

D;D

Sift4G

Pathogenic

0.0010

D;D

Polyphen

1.0

D;D

Vest4

0.66

MutPred

0.58

Loss of MoRF binding (P = 0.009);Loss of MoRF binding (P = 0.009);

MVP

0.74

MPC

0.97

ClinPred

0.95

GERP RS

4.5

Varity_R

0.42

gMVP

0.75

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