10-123746996-C-T

Variant summary

Our verdict is Uncertain significance. Variant got 4 ACMG points: 4P and 0B. PM2PP3_Moderate

The NM_198148.3(CPXM2):​c.2039G>A​(p.Arg680His) variant causes a missense change involving the alteration of a conserved nucleotide. The variant allele was found at a frequency of 0.0000173 in 1,613,866 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 0.000046 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000014 ( 0 hom. )

Consequence

CPXM2
NM_198148.3 missense

Scores

10
7
2

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 7.90
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]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 4 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PP3
MetaRNN computational evidence supports a deleterious effect, 0.897

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
CPXM2NM_198148.3 linkuse as main transcriptc.2039G>A p.Arg680His missense_variant 14/14 ENST00000241305.4

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
CPXM2ENST00000241305.4 linkuse as main transcriptc.2039G>A p.Arg680His missense_variant 14/141 NM_198148.3 P1
CPXM2ENST00000615851.4 linkuse as main transcriptc.505+7667G>A intron_variant 5
CPXM2ENST00000368854.7 linkuse as main transcriptn.2064+7667G>A intron_variant, non_coding_transcript_variant 2

Frequencies

GnomAD3 genomes
AF:
0.0000460
AC:
7
AN:
152172
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000965
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000655
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.000192
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
GnomAD3 exomes
AF:
0.0000241
AC:
6
AN:
248824
Hom.:
0
AF XY:
0.0000297
AC XY:
4
AN XY:
134710
show subpopulations
Gnomad AFR exome
AF:
0.0000615
Gnomad AMR exome
AF:
0.0000580
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.000109
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.000164
GnomAD4 exome
AF:
0.0000144
AC:
21
AN:
1461694
Hom.:
0
Cov.:
34
AF XY:
0.0000165
AC XY:
12
AN XY:
727160
show subpopulations
Gnomad4 AFR exome
AF:
0.0000897
Gnomad4 AMR exome
AF:
0.0000672
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.000176
Gnomad4 SAS exome
AF:
0.0000116
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00000450
Gnomad4 OTH exome
AF:
0.0000331
GnomAD4 genome
AF:
0.0000460
AC:
7
AN:
152172
Hom.:
0
Cov.:
32
AF XY:
0.0000404
AC XY:
3
AN XY:
74342
show subpopulations
Gnomad4 AFR
AF:
0.0000965
Gnomad4 AMR
AF:
0.0000655
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.000192
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000147
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000508
Hom.:
0
Bravo
AF:
0.0000642
ExAC
AF:
0.00000824
AC:
1

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 submitterclinical testingAmbry GeneticsMay 01, 2022The c.2039G>A (p.R680H) alteration is located in exon 14 (coding exon 14) of the CPXM2 gene. This alteration results from a G to A substitution at nucleotide position 2039, causing the arginine (R) at amino acid position 680 to be replaced by a histidine (H). 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
Pathogenic
0.74
BayesDel_addAF
Uncertain
0.15
D
BayesDel_noAF
Pathogenic
0.21
CADD
Pathogenic
33
DANN
Pathogenic
1.0
DEOGEN2
Uncertain
0.44
T
Eigen
Uncertain
0.65
Eigen_PC
Uncertain
0.55
FATHMM_MKL
Uncertain
0.95
D
LIST_S2
Pathogenic
1.0
D
M_CAP
Benign
0.065
D
MetaRNN
Pathogenic
0.90
D
MetaSVM
Uncertain
-0.18
T
MutationAssessor
Pathogenic
3.9
H
MutationTaster
Benign
1.0
D;D
PrimateAI
Uncertain
0.54
T
PROVEAN
Pathogenic
-4.6
D
REVEL
Pathogenic
0.76
Sift
Pathogenic
0.0
D
Sift4G
Pathogenic
0.0010
D
Polyphen
1.0
D
Vest4
0.84
MVP
0.72
MPC
0.85
ClinPred
1.0
D
GERP RS
3.9
Varity_R
0.77
gMVP
0.82

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.

Other links and lift over

dbSNP: rs780028739; hg19: chr10-125506512; COSMIC: COSV53869885; API