dbSNP rs1977983: GRK2:p.Asp457Gly (chr11-67283748-A-G) – ACMG Classification: Uncertain_significance (5 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 5 ACMG points: 5P and 0B. PM2PP2PP3_Moderate

The NM_001619.5(GRK2):c.1370A>G(p.Asp457Gly) variant causes a missense change involving the alteration of a conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a pathogenic outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: not found (cov: 33)

Consequence

GRK2
NM_001619.5 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 8.61

Publications

1 publications found

Variant links:

Genes affected

GRK2 (HGNC:289): (G protein-coupled receptor kinase 2) This gene encodes a member of the G protein-coupled receptor kinase family of proteins. The encoded protein phosphorylates the beta-adrenergic receptor as well as a wide range of other substrates including non-GPCR cell surface receptors, and cytoskeletal, mitochondrial, and transcription factor proteins. Data from rodent models supports a role for this gene in embryonic development, heart function and metabolism. Elevated expression of this gene has been observed in human patients with heart failure and Alzheimer's disease. [provided by RefSeq, Sep 2017]

GRK2 Gene-Disease associations (from GenCC):

Jeune syndrome
Inheritance: AR Classification: MODERATE Submitted by: Ambry Genetics

GRK2 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 5 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP2

Missense variant in the gene, where a lot of missense mutations are associated with disease in ClinVar. The gene has 1 curated pathogenic missense variants (we use a threshold of 10). The gene has 0 curated benign missense variants. Gene score misZ: 3.2172 (above the threshold of 3.09). Trascript score misZ: 4.1712 (above the threshold of 3.09). GenCC associations: The gene is linked to Jeune syndrome.

PP3

MetaRNN computational evidence supports a deleterious effect, 0.909

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
GRK2	NM_001619.5 link	c.1370A>G	p.Asp457Gly	missense_variant	Exon 16 of 21	ENST00000308595.10	NP_001610.2	P25098A0A0S2Z392
GRK2	XM_011544773.2 link	c.1280A>G	p.Asp427Gly	missense_variant	Exon 16 of 21		XP_011543075.1
GRK2	XR_007062455.1 link	n.1556-106A>G		intron_variant	Intron 15 of 16

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
GRK2	ENST00000308595.10 link	c.1370A>G	p.Asp457Gly	missense_variant	Exon 16 of 21	1	NM_001619.5	ENSP00000312262.5		P25098

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000398

AC:

AN:

251038

AF XY:

0.00

show subpopulations

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:

0.00000881

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

Cov.:

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.87

BayesDel_addAF

Pathogenic

0.29

BayesDel_noAF

Pathogenic

0.18

CADD

Pathogenic

(source)

DANN

Uncertain

1.0

DEOGEN2

Pathogenic

0.84

Eigen

Pathogenic

0.74

Eigen_PC

Uncertain

0.66

FATHMM_MKL

Pathogenic

1.0

LIST_S2

Uncertain

0.93

M_CAP

Benign

0.044

MetaRNN

Pathogenic

0.91

MetaSVM

Uncertain

-0.13

MutationAssessor

Pathogenic

3.0

PhyloP100

8.6

PrimateAI

Uncertain

0.68

PROVEAN

Pathogenic

-4.9

REVEL

Uncertain

0.56

Sift

Uncertain

0.0050

Sift4G

Uncertain

0.021

Polyphen

1.0

Vest4

0.95

MutPred

0.59

Loss of catalytic residue at D457 (P = 0.0365);

MVP

0.59

MPC

2.2

ClinPred

0.98

GERP RS

5.6

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.7

Varity_R

0.71

gMVP

0.81

Mutation Taster

=39/61

disease causing

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.070

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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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over