Genetic Variant CPE:p.Pro30Ala (chr4-165379309-C-G) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_001873.4(CPE):c.88C>G(p.Pro30Ala) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000517 in 1,548,592 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. Variant has been reported in ClinVar as Uncertain significance (★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. P30T) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)

Exomes 𝑓: 0.0000050 ( 0 hom. )

Consequence

CPE
NM_001873.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 0.0760

Publications

0 publications found

Variant links:

Genes affected

CPE (HGNC:2303): (carboxypeptidase E) This gene encodes a member of the M14 family of metallocarboxypeptidases. The encoded preproprotein is proteolytically processed to generate the mature peptidase. This peripheral membrane protein cleaves C-terminal amino acid residues and is involved in the biosynthesis of peptide hormones and neurotransmitters, including insulin. This protein may also function independently of its peptidase activity, as a neurotrophic factor that promotes neuronal survival, and as a sorting receptor that binds to regulated secretory pathway proteins, including prohormones. Mutations in this gene are implicated in type 2 diabetes. [provided by RefSeq, Nov 2015]

CPE Gene-Disease associations (from GenCC):

BDV syndrome
Inheritance: AR Classification: STRONG Submitted by: Labcorp Genetics (formerly Invitae)

CPE links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.14485261).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001873.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	CPE	NM_001873.4	MANE Select	c.88C>G	p.Pro30Ala	missense	Exon 1 of 9	NP_001864.1	P16870-1

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
CPE	ENST00000402744.9	TSL:1 MANE Select	c.88C>G	p.Pro30Ala	missense	Exon 1 of 9	ENSP00000386104.4	P16870-1
CPE	ENST00000957033.1		c.88C>G	p.Pro30Ala	missense	Exon 1 of 10	ENSP00000627092.1
CPE	ENST00000871530.1		c.88C>G	p.Pro30Ala	missense	Exon 1 of 9	ENSP00000541589.1

Frequencies

GnomAD3 genomes

AF:

0.00000659

AC:

AN:

151764

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:

0.00

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:

0.00000672

AC:

AN:

148764

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:

0.0000170

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000501

AC:

AN:

1396828

Hom.:

Cov.:

AF XY:

0.00000290

AC XY:

AN XY:

690336

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

32206

American (AMR)

AF:

0.00

AC:

AN:

36710

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25086

East Asian (EAS)

AF:

0.00

AC:

AN:

36924

South Asian (SAS)

AF:

0.00

AC:

AN:

80206

European-Finnish (FIN)

AF:

0.00

AC:

AN:

38944

Middle Eastern (MID)

AF:

0.00

AC:

AN:

4104

European-Non Finnish (NFE)

AF:

0.00000461

AC:

AN:

1084574

Other (OTH)

AF:

0.0000344

AC:

AN:

58074

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

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:

0.00000659

AC:

AN:

151764

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

74142

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41352

American (AMR)

AF:

0.00

AC:

AN:

15244

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3468

East Asian (EAS)

AF:

0.00

AC:

AN:

5150

South Asian (SAS)

AF:

0.00

AC:

AN:

4826

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10518

Middle Eastern (MID)

AF:

0.00

AC:

AN:

312

European-Non Finnish (NFE)

AF:

0.0000147

AC:

AN:

67892

Other (OTH)

AF:

0.00

AC:

AN:

2090

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.425

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.00000756

ClinVar

ClinVar submissions

Significance:Uncertain significance

Revision:criteria provided, single submitter

View on ClinVar

Pathogenic

VUS

Benign

Condition

CPE-related disorder (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.052

BayesDel_addAF

Benign

-0.24

BayesDel_noAF

Benign

-0.56

CADD

Benign

(source)

DANN

Benign

0.97

DEOGEN2

Benign

0.17

Eigen

Benign

-0.79

Eigen_PC

Benign

-0.65

FATHMM_MKL

Benign

0.15

LIST_S2

Benign

0.48

M_CAP

Pathogenic

0.60

MetaRNN

Benign

0.14

MetaSVM

Benign

-1.0

MutationAssessor

Benign

1.1

PhyloP100

0.076

PrimateAI

Pathogenic

0.81

PROVEAN

Benign

-0.44

REVEL

Benign

0.14

Sift

Benign

0.11

Sift4G

Benign

0.55

Polyphen

0.0

Vest4

0.12

MutPred

0.23

Gain of helix (P = 0.0022)

MVP

0.26

MPC

0.55

ClinPred

0.046

GERP RS

3.9

PromoterAI

0.13

Neutral

(source)

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.6

Varity_R

0.040

gMVP

0.47

Mutation Taster

=83/17

polymorphism

(source)

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

You must be logged in to view publications. This limit was set because tens of millions (!) of queries from AI bots are generated daily.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over