Variant 19-18340701-C-A details in Genebe, Genetics Data Aggregator

Variant summary

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

The NM_017712.4(PGPEP1):c.20C>A(p.Ala7Glu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000145 in 1,383,618 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.0000014 ( 0 hom. )

Consequence

PGPEP1
NM_017712.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 2.03

Variant links:

Genes affected

PGPEP1 (HGNC:13568): (pyroglutamyl-peptidase I) The gene encodes a cysteine protease and member of the peptidase C15 family of proteins. The encoded protein cleaves amino terminal pyroglutamate residues from protein substrates including thyrotropin-releasing hormone and other neuropeptides. Expression of this gene may be downregulated in colorectal cancer, while activity of the encoded protein may be negatively correlated with cancer progression in colorectal cancer patients. Activity of the encoded protease may also be altered in other disease states including in liver cirrhosis, which is associated with reduced protease activity, and in necrozoospermia, which is associated with elevated protease activity. [provided by RefSeq, Jul 2016]

PGPEP1 links:

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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/exons	MANE	UniProt
PGPEP1	NM_017712.4 linkuse as main transcript	c.20C>A	p.Ala7Glu	missense_variant	1/5	ENST00000269919.11

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
PGPEP1	ENST00000269919.11 linkuse as main transcript	c.20C>A	p.Ala7Glu	missense_variant	1/5	1	NM_017712.4	P1	Q9NXJ5-1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

0.00000145

AC:

AN:

1383618

Hom.:

Cov.:

AF XY:

0.00000145

AC XY:

AN XY:

687654

show subpopulations

Gnomad4 AFR exome

AF:

0.0000350

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:

9.31e-7

Gnomad4 OTH exome

AF:

0.00

GnomAD4 genome

Cov.:

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

Sep 14, 2022

The c.20C>A (p.A7E) alteration is located in exon 1 (coding exon 1) of the PGPEP1 gene. This alteration results from a C to A substitution at nucleotide position 20, causing the alanine (A) at amino acid position 7 to be replaced by a glutamic acid (E). 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

0.33

BayesDel_addAF

Benign

-0.097

BayesDel_noAF

Benign

-0.38

Cadd

Pathogenic

Dann

Benign

0.96

DEOGEN2

Benign

0.18

T;T;T;.

Eigen

Benign

-0.39

Eigen_PC

Benign

-0.31

FATHMM_MKL

Benign

0.68

LIST_S2

Benign

0.66

T;T;T;T

M_CAP

Pathogenic

0.54

MetaRNN

Benign

0.19

T;T;T;T

MetaSVM

Benign

-1.1

MutationAssessor

Benign

1.4

L;.;.;.

MutationTaster

Benign

0.92

D;D

PrimateAI

Pathogenic

0.84

PROVEAN

Benign

-0.69

N;.;.;.

REVEL

Benign

0.077

Sift

Benign

0.11

T;.;.;.

Sift4G

Benign

0.14

T;T;T;T

Polyphen

0.070

B;.;.;.

Vest4

0.40

MutPred

0.33

Gain of disorder (P = 0.0252);Gain of disorder (P = 0.0252);Gain of disorder (P = 0.0252);Gain of disorder (P = 0.0252);

MVP

0.15

MPC

0.16

ClinPred

0.18

GERP RS

3.4

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

2.1

Varity_R

0.30

gMVP

0.53

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.31

Details are displayed if max score is > 0.2

DS_DG_spliceai

0.31

Position offset: 1

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

No publications associated with this variant yet.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

Other links and lift over