rs74905373

Variant names:

Variant summary

Our verdict is Likely benign. Variant got -6 ACMG points: 0P and 6B. BP4_ModerateBS2

The NM_006258.4(PRKG1):c.1576T>C(p.Phe526Leu) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000124 in 1,453,946 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 12/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★★).

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.000012 ( 0 hom. )

Consequence

PRKG1
NM_006258.4 missense

Scores

Clinical Significance

Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:1B:1

Conservation

PhyloP100: 8.01

Variant links:

Genes affected

PRKG1 (HGNC:9414): (protein kinase cGMP-dependent 1) Mammals have three different isoforms of cyclic GMP-dependent protein kinase (Ialpha, Ibeta, and II). These PRKG isoforms act as key mediators of the nitric oxide/cGMP signaling pathway and are important components of many signal transduction processes in diverse cell types. This PRKG1 gene on human chromosome 10 encodes the soluble Ialpha and Ibeta isoforms of PRKG by alternative transcript splicing. A separate gene on human chromosome 4, PRKG2, encodes the membrane-bound PRKG isoform II. The PRKG1 proteins play a central role in regulating cardiovascular and neuronal functions in addition to relaxing smooth muscle tone, preventing platelet aggregation, and modulating cell growth. This gene is most strongly expressed in all types of smooth muscle, platelets, cerebellar Purkinje cells, hippocampal neurons, and the lateral amygdala. Isoforms Ialpha and Ibeta have identical cGMP-binding and catalytic domains but differ in their leucine/isoleucine zipper and autoinhibitory sequences and therefore differ in their dimerization substrates and kinase enzyme activity. [provided by RefSeq, Sep 2011]

PRKG1 links:

PRKG1-AS1 (HGNC:45029): (PRKG1 antisense RNA 1)

PRKG1-AS1 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Likely_benign. Variant got -6 ACMG points.

BP4

Computational evidence support a benign effect (MetaRNN=0.16562098).

BS2

High AC in GnomAdExome4 at 18 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
PRKG1	NM_006258.4 link	c.1576T>C	p.Phe526Leu	missense_variant	Exon 14 of 18	ENST00000373980.11	NP_006249.1	Q13976-2
PRKG1	NM_001098512.3 link	c.1531T>C	p.Phe511Leu	missense_variant	Exon 14 of 18		NP_001091982.1	Q13976-1
PRKG1	NM_001374781.1 link	c.367T>C	p.Phe123Leu	missense_variant	Exon 10 of 14		NP_001361710.1
PRKG1	XM_017016413.2 link	c.1273T>C	p.Phe425Leu	missense_variant	Exon 14 of 18		XP_016871902.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
PRKG1	ENST00000373980.11 link	c.1576T>C	p.Phe526Leu	missense_variant	Exon 14 of 18	1	NM_006258.4	ENSP00000363092.5		Q13976-2

Frequencies

GnomAD3 genomes

Cov.:

GnomAD3 exomes

AF:

0.00000807

AC:

AN:

247950

Hom.:

AF XY:

0.0000149

AC XY:

AN XY:

133988

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 SAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000178

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000124

AC:

AN:

1453946

Hom.:

Cov.:

AF XY:

0.0000111

AC XY:

AN XY:

723064

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.00

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:

0.0000162

Gnomad4 OTH exome

AF:

0.00

GnomAD4 genome

Cov.:

Bravo

AF:

0.00000378

ExAC

AF:

0.0000165

AC:

ClinVar

Significance: Conflicting classifications of pathogenicity

Submissions summary: Uncertain:1Benign:1

Revision: criteria provided, conflicting classifications

LINK: link

Submissions by phenotype

Aortic aneurysm, familial thoracic 8

Uncertain:1

Nov 06, 2024

Labcorp Genetics (formerly Invitae), Labcorp

Significance: Uncertain significance

Review Status: criteria provided, single submitter

Collection Method: clinical testing

This sequence change replaces phenylalanine, which is neutral and non-polar, with leucine, which is neutral and non-polar, at codon 526 of the PRKG1 protein (p.Phe526Leu). This variant is present in population databases (rs74905373, gnomAD 0.002%). This variant has not been reported in the literature in individuals affected with PRKG1-related conditions. ClinVar contains an entry for this variant (Variation ID: 477773). An algorithm developed to predict the effect of missense changes on protein structure and function (PolyPhen-2) suggests that this variant¬†is likely to be tolerated. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. -

Familial thoracic aortic aneurysm and aortic dissection

Benign:1

Jan 24, 2025

Ambry Genetics

Significance: Likely benign

Review Status: criteria provided, single submitter

Collection Method: clinical testing

This alteration is classified as likely benign based on a combination of the following: seen in unaffected individuals, population frequency, intact protein function, lack of segregation with disease, co-occurrence, RNA analysis, in silico models, amino acid conservation, lack of disease association in case-control studies, and/or the mechanism of disease or impacted region is inconsistent with a known cause of pathogenicity. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.85

BayesDel_addAF

Benign

-0.13

BayesDel_noAF

Benign

-0.41

CADD

Benign

DANN

Benign

0.93

DEOGEN2

Benign

0.17

T;T;.;.

Eigen

Benign

-0.16

Eigen_PC

Benign

0.097

FATHMM_MKL

Uncertain

0.97

LIST_S2

Benign

0.82

.;T;.;T

M_CAP

Benign

0.0027

MetaRNN

Benign

0.17

T;T;T;T

MetaSVM

Benign

-0.94

MutationAssessor

Benign

0.39

N;N;.;.

PrimateAI

Pathogenic

0.90

PROVEAN

Benign

-1.2

N;.;.;N

REVEL

Benign

0.18

Sift

Benign

0.65

T;.;.;T

Sift4G

Benign

0.65

.;T;.;T

Polyphen

0.0020

B;B;B;B

Vest4

0.47, 0.47

MutPred

0.24

Loss of methylation at K508 (P = 0.1017);Loss of methylation at K508 (P = 0.1017);.;.;

MVP

0.34

MPC

0.74

ClinPred

0.49

GERP RS

5.5

Varity_R

0.66

gMVP

0.81

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