10-103447309-G-A

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_015916.5(CALHM2):​c.815C>T​(p.Thr272Met) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000248 in 1,614,136 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000013 ( 0 hom., cov: 32)
Exomes 𝑓: 0.0000014 ( 0 hom. )

Consequence

CALHM2
NM_015916.5 missense

Scores

2
17

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 2.65
Variant links:
Genes affected
CALHM2 (HGNC:23493): (calcium homeostasis modulator family member 2) Predicted to enable cation channel activity. Involved in positive regulation of apoptotic process. Predicted to be integral component of plasma membrane. [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 0 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.15433455).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
CALHM2NM_015916.5 linkuse as main transcriptc.815C>T p.Thr272Met missense_variant 4/4 ENST00000260743.10 NP_057000.2 Q9HA72-1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
CALHM2ENST00000260743.10 linkuse as main transcriptc.815C>T p.Thr272Met missense_variant 4/41 NM_015916.5 ENSP00000260743.5 Q9HA72-1
CALHM2ENST00000369788.7 linkuse as main transcriptc.815C>T p.Thr272Met missense_variant 4/42 ENSP00000358803.3 Q9HA72-1

Frequencies

GnomAD3 genomes
AF:
0.0000131
AC:
2
AN:
152246
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.0000241
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:
0.00
Gnomad OTH
AF:
0.000478
GnomAD3 exomes
AF:
0.00000795
AC:
2
AN:
251424
Hom.:
0
AF XY:
0.00
AC XY:
0
AN XY:
135900
show subpopulations
Gnomad AFR exome
AF:
0.0000615
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00000879
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000137
AC:
2
AN:
1461890
Hom.:
0
Cov.:
32
AF XY:
0.00000275
AC XY:
2
AN XY:
727248
show subpopulations
Gnomad4 AFR exome
AF:
0.0000299
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:
8.99e-7
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
AF:
0.0000131
AC:
2
AN:
152246
Hom.:
0
Cov.:
32
AF XY:
0.0000134
AC XY:
1
AN XY:
74386
show subpopulations
Gnomad4 AFR
AF:
0.0000241
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.000478
Alfa
AF:
0.0000658
Hom.:
0
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 GeneticsApr 16, 2024The c.815C>T (p.T272M) alteration is located in exon 4 (coding exon 2) of the CALHM2 gene. This alteration results from a C to T substitution at nucleotide position 815, causing the threonine (T) at amino acid position 272 to be replaced by a methionine (M). 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
0.084
BayesDel_addAF
Benign
-0.32
T
BayesDel_noAF
Benign
-0.51
CADD
Benign
22
DANN
Uncertain
0.99
DEOGEN2
Benign
0.012
T;T
Eigen
Benign
0.14
Eigen_PC
Benign
0.21
FATHMM_MKL
Benign
0.69
D
LIST_S2
Uncertain
0.89
.;D
M_CAP
Benign
0.0081
T
MetaRNN
Benign
0.15
T;T
MetaSVM
Benign
-1.1
T
MutationAssessor
Benign
0.55
N;N
PrimateAI
Benign
0.43
T
PROVEAN
Benign
-1.0
N;N
REVEL
Benign
0.037
Sift
Benign
0.044
D;D
Sift4G
Benign
0.071
T;T
Polyphen
0.77
P;P
Vest4
0.30
MVP
0.27
MPC
0.51
ClinPred
0.64
D
GERP RS
4.5
Varity_R
0.11
gMVP
0.47

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: rs777219053; hg19: chr10-105207066; COSMIC: COSV99588370; COSMIC: COSV99588370; API