Genetic Variant NM_198148.3:c.2169G>A (chr10-123746866-C-T) – 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.2169G>A(p.Met723Ile) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000205 in 1,461,890 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/22 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another nucleotide change resulting in the same amino acid substitution has been previously reported as Uncertain significance in ClinVar.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.0000021 ( 0 hom. )

Consequence

CPXM2
NM_198148.3 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 1.64

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=0.09697071).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
CPXM2	NM_198148.3 link	c.2169G>A	p.Met723Ile	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.2169G>A	p.Met723Ile	missense_variant	Exon 14 of 14	1	NM_198148.3	ENSP00000241305.3	Q8N436
CPXM2	ENST00000615851.4 link	c.505+7797G>A		intron_variant	Intron 13 of 14	5		ENSP00000483180.1	Q49AT5
CPXM2	ENST00000368854.7 link	n.2064+7797G>A		intron_variant	Intron 15 of 19	2

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000796

AC:

AN:

251174

AF XY:

0.00

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.0000578

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000205

AC:

AN:

1461890

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

727244

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33480

American (AMR)

AF:

0.0000671

AC:

AN:

44724

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.00

AC:

AN:

86258

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53420

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1112008

Other (OTH)

AF:

0.00

AC:

AN:

60396

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

GnomAD4 genome

Cov.:

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.0000227

ExAC

AF:

0.00000824

AC:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.17

BayesDel_addAF

Benign

-0.37

BayesDel_noAF

Benign

-0.59

CADD

Benign

(source)

DANN

Benign

0.96

DEOGEN2

Benign

0.010

Eigen

Benign

-0.46

Eigen_PC

Benign

-0.27

FATHMM_MKL

Uncertain

0.88

LIST_S2

Benign

0.85

M_CAP

Benign

0.0052

MetaRNN

Benign

0.097

MetaSVM

Benign

-0.98

MutationAssessor

Benign

0.0

PhyloP100

1.6

PrimateAI

Benign

0.38

PROVEAN

Benign

-1.3

REVEL

Benign

0.023

Sift

Benign

0.31

Sift4G

Benign

0.37

Polyphen

0.011

Vest4

0.16

MutPred

0.42

Loss of solvent accessibility (P = 0.0606);

MVP

0.28

MPC

0.21

ClinPred

0.17

GERP RS

2.1

Varity_R

0.13

gMVP

0.43

Mutation Taster

=95/5

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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NM_198148.3:c.2169G>A

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