dbSNP rs374183184: CPXM2:p.Arg748Leu (chr10-123746792-C-A) – 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_198148.3(CPXM2):c.2243G>T(p.Arg748Leu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000657 in 152,224 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts 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. R748Q) has been classified as Uncertain significance.

Frequency

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

Consequence

CPXM2
NM_198148.3 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.214

Publications

1 publications found

Variant links:

Genes affected

CPXM2 (HGNC:26977): (carboxypeptidase X, M14 family member 2) Predicted to enable metallocarboxypeptidase activity. Predicted to be involved in peptide metabolic process and protein processing. Predicted to be active in extracellular space. [provided by Alliance of Genome Resources, Apr 2022]

CPXM2 links:

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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=0.111489385).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
CPXM2	NM_198148.3 link	c.2243G>T	p.Arg748Leu	missense_variant	Exon 14 of 14	ENST00000241305.4	NP_937791.2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
CPXM2	ENST00000241305.4 link	c.2243G>T	p.Arg748Leu	missense_variant	Exon 14 of 14	1	NM_198148.3	ENSP00000241305.3	Q8N436
CPXM2	ENST00000615851.4 link	c.505+7871G>T		intron_variant	Intron 13 of 14	5		ENSP00000483180.1	Q49AT5
CPXM2	ENST00000368854.7 link	n.2064+7871G>T		intron_variant	Intron 15 of 19	2

Frequencies

GnomAD3 genomes

AF:

0.00000657

AC:

AN:

152224

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

GnomAD4 exome

Cov.:

GnomAD4 genome

AF:

0.00000657

AC:

AN:

152224

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

74362

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

41462

American (AMR)

AF:

0.00

AC:

AN:

15284

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.00

AC:

AN:

5194

South Asian (SAS)

AF:

0.00

AC:

AN:

4826

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10628

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.0000147

AC:

AN:

68042

Other (OTH)

AF:

0.00

AC:

AN:

2090

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.475

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.00000378

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.15

BayesDel_addAF

Uncertain

0.054

BayesDel_noAF

Benign

-0.16

CADD

Benign

(source)

DANN

Uncertain

0.99

DEOGEN2

Benign

0.24

Eigen

Benign

-0.67

Eigen_PC

Benign

-0.65

FATHMM_MKL

Benign

0.31

LIST_S2

Benign

0.77

M_CAP

Benign

0.083

MetaRNN

Benign

0.11

MetaSVM

Uncertain

0.15

MutationAssessor

Uncertain

2.3

PhyloP100

0.21

PrimateAI

Benign

0.37

PROVEAN

Uncertain

-2.8

REVEL

Uncertain

0.32

Sift

Uncertain

0.0020

Sift4G

Uncertain

0.0030

Polyphen

0.0

Vest4

0.22

MutPred

0.27

Loss of methylation at R752 (P = 0.0523);

MVP

0.83

MPC

0.24

ClinPred

0.85

GERP RS

2.4

Varity_R

0.15

gMVP

0.72

Mutation Taster

=93/7

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

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rs374183184

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over