Genetic Variant GRK4:p.Arg65His (chr4-2988772-G-A) – ACMG Classification: Likely_benign (-2 pts)

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 0P and 2B. BP4_Moderate

The NM_182982.3(GRK4):c.194G>A(p.Arg65His) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000013 in 1,612,578 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/22 in silico tools predict a benign outcome for this variant. 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. R65C) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 32)

Exomes 𝑓: 0.000013 ( 0 hom. )

Consequence

GRK4
NM_182982.3 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 3.34

Publications

112 publications found

Variant links:

Genes affected

GRK4 (HGNC:4543): (G protein-coupled receptor kinase 4) This gene encodes a member of the guanine nucleotide-binding protein (G protein)-coupled receptor kinase subfamily of the Ser/Thr protein kinase family. The protein phosphorylates the activated forms of G protein-coupled receptors thus initiating its deactivation. This gene has been linked to both genetic and acquired hypertension. Several transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Nov 2013]

GRK4 links:

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ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -2 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.20376325).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
GRK4	NM_182982.3 link	c.194G>A	p.Arg65His	missense_variant	Exon 3 of 16	ENST00000398052.9	NP_892027.2	P32298-1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
GRK4	ENST00000398052.9 link	c.194G>A	p.Arg65His	missense_variant	Exon 3 of 16	1	NM_182982.3	ENSP00000381129.4	P32298-1
GRK4	ENST00000345167.10 link	c.98G>A	p.Arg33His	missense_variant	Exon 2 of 15	1		ENSP00000264764.8	P32298-2
GRK4	ENST00000504933.1 link	c.194G>A	p.Arg65His	missense_variant	Exon 3 of 15	1		ENSP00000427445.1	P32298-4
GRK4	ENST00000398051.8 link	c.98G>A	p.Arg33His	missense_variant	Exon 2 of 14	1		ENSP00000381128.4	P32298-3

Frequencies

GnomAD3 genomes

AF:

0.0000132

AC:

AN:

151956

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.000193

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

GnomAD2 exomes

AF:

0.0000478

AC:

AN:

251300

AF XY:

0.0000442

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.000544

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00000879

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000130

AC:

AN:

1460504

Hom.:

Cov.:

AF XY:

0.0000151

AC XY:

AN XY:

726642

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33448

American (AMR)

AF:

0.00

AC:

AN:

44708

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26122

East Asian (EAS)

AF:

0.000252

AC:

AN:

39688

South Asian (SAS)

AF:

0.0000348

AC:

AN:

86232

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53312

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5760

European-Non Finnish (NFE)

AF:

0.00000450

AC:

AN:

1110884

Other (OTH)

AF:

0.0000166

AC:

AN:

60350

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.467

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

AF:

0.0000132

AC:

AN:

152074

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

74310

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41492

American (AMR)

AF:

0.00

AC:

AN:

15280

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3464

East Asian (EAS)

AF:

0.000193

AC:

AN:

5182

South Asian (SAS)

AF:

0.00

AC:

AN:

4828

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10526

Middle Eastern (MID)

AF:

0.00

AC:

AN:

294

European-Non Finnish (NFE)

AF:

0.0000147

AC:

AN:

67982

Other (OTH)

AF:

0.00

AC:

AN:

2114

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.525

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

Alfa

AF:

0.00

Hom.:

49108

ExAC

AF:

0.0000330

AC:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.073

BayesDel_addAF

Benign

-0.49

BayesDel_noAF

Benign

-0.60

CADD

Benign

(source)

DANN

Uncertain

1.0

DEOGEN2

Benign

0.17

.;T;.;.

Eigen

Benign

-0.14

Eigen_PC

Benign

0.0010

FATHMM_MKL

Benign

0.60

LIST_S2

Uncertain

0.93

D;D;D;D

M_CAP

Benign

0.032

MetaRNN

Benign

0.20

T;T;T;T

MetaSVM

Benign

-0.62

MutationAssessor

Benign

1.2

.;L;.;L

PhyloP100

3.3

PrimateAI

Uncertain

0.60

PROVEAN

Benign

-1.1

N;N;N;N

REVEL

Benign

0.14

Sift

Benign

0.12

T;T;T;T

Sift4G

Benign

0.13

T;T;T;T

Polyphen

0.40

B;P;P;B

Vest4

0.20

MutPred

0.60

.;Loss of MoRF binding (P = 0.0261);.;Loss of MoRF binding (P = 0.0261);

MVP

0.65

MPC

0.20

ClinPred

0.19

GERP RS

5.6

Varity_R

0.079

gMVP

0.24

Mutation Taster

=89/11

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.15

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

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over