Variant 14-24097049-T-G details in Genebe, Genetics Data Aggregator

Variant summary

Our verdict is Likely pathogenic. Variant got 6 ACMG points: 6P and 0B. PM2PP3_Strong

The ENST00000216780.9(PCK2):c.187T>G(p.Cys63Gly) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000264 in 151,608 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000026 ( 0 hom., cov: 30)

Consequence

PCK2
ENST00000216780.9 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 7.65

Variant links:

Genes affected

PCK2 (HGNC:8725): (phosphoenolpyruvate carboxykinase 2, mitochondrial) This gene encodes a mitochondrial enzyme that catalyzes the conversion of oxaloacetate to phosphoenolpyruvate in the presence of guanosine triphosphate (GTP). A cytosolic form of this protein is encoded by a different gene and is the key enzyme of gluconeogenesis in the liver. Alternatively spliced transcript variants have been described. [provided by RefSeq, Apr 2014]

PCK2 links:

NRL (HGNC:8002): (neural retina leucine zipper) This gene encodes a basic motif-leucine zipper transcription factor of the Maf subfamily. The encoded protein is conserved among vertebrates and is a critical intrinsic regulator of photoceptor development and function. Mutations in this gene have been associated with retinitis pigmentosa and retinal degenerative diseases. [provided by RefSeq, Jul 2008]

NRL links:

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ACMG classification

Classification made for transcript

Verdict is Likely_pathogenic. Variant got 6 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

PP3

MetaRNN computational evidence supports a deleterious effect, 0.984

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
PCK2	NM_004563.4 linkuse as main transcript	c.187T>G	p.Cys63Gly	missense_variant	2/10	ENST00000216780.9	NP_004554.3
NRL	NM_001354768.3 linkuse as main transcript	c.-27-14174A>C		intron_variant		ENST00000561028.6	NP_001341697.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
PCK2	ENST00000216780.9 linkuse as main transcript	c.187T>G	p.Cys63Gly	missense_variant	2/10	1	NM_004563.4	ENSP00000216780	P1	Q16822-1
NRL	ENST00000561028.6 linkuse as main transcript	c.-27-14174A>C		intron_variant		2	NM_001354768.3	ENSP00000454062	P1	P54845-1

Frequencies

GnomAD3 genomes

AF:

0.00000660

AC:

AN:

151490

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.00

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.0000661

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

GnomAD4 exome

Cov.:

GnomAD4 genome

AF:

0.0000264

AC:

AN:

151608

Hom.:

Cov.:

AF XY:

0.0000540

AC XY:

AN XY:

74034

show subpopulations

Gnomad4 AFR

AF:

0.0000726

Gnomad4 AMR

AF:

0.0000660

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.00

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.00

Gnomad4 OTH

AF:

0.00

Alfa

AF:

0.0000712

Hom.:

Bravo

AF:

0.0000189

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not specified

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Ambry Genetics

Dec 01, 2022

The c.187T>G (p.C63G) alteration is located in exon 2 (coding exon 2) of the PCK2 gene. This alteration results from a T to G substitution at nucleotide position 187, causing the cysteine (C) at amino acid position 63 to be replaced by a glycine (G). 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

Uncertain

0.49

BayesDel_addAF

Pathogenic

0.27

BayesDel_noAF

Pathogenic

0.16

CADD

Pathogenic

DANN

Uncertain

0.99

DEOGEN2

Benign

0.17

T;T;.

Eigen

Pathogenic

0.96

Eigen_PC

Pathogenic

0.88

FATHMM_MKL

Uncertain

0.96

M_CAP

Uncertain

0.18

MetaRNN

Pathogenic

0.98

D;D;D

MetaSVM

Benign

-0.63

MutationAssessor

Pathogenic

3.5

.;H;H

MutationTaster

Benign

1.0

D;D;D;D;D;D;D

PrimateAI

Uncertain

0.63

PROVEAN

Pathogenic

-7.0

D;D;D

REVEL

Pathogenic

0.69

Sift

Pathogenic

0.0

D;D;D

Sift4G

Pathogenic

0.0

D;D;D

Polyphen

1.0, 1.0

.;D;D

Vest4

0.94

MutPred

0.87

.;Gain of disorder (P = 0.0039);Gain of disorder (P = 0.0039);

MVP

0.64

MPC

0.41

ClinPred

1.0

GERP RS

5.5

Varity_R

0.88

gMVP

0.86

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