15-94298404-C-T

Variant summary

Our verdict is Uncertain significance. Variant got 1 ACMG points: 2P and 1B. PM2BP4

The NM_001385001.1(MCTP2):​c.139C>T​(p.Arg47Cys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000483 in 1,614,068 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000033 ( 0 hom., cov: 31)
Exomes 𝑓: 0.000050 ( 0 hom. )

Consequence

MCTP2
NM_001385001.1 missense

Scores

2
8
9

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 1.39
Variant links:
Genes affected
MCTP2 (HGNC:25636): (multiple C2 and transmembrane domain containing 2) Enables calcium ion binding activity. Predicted to be involved in regulation of neurotransmitter secretion. Located in cytosol and nucleoplasm. Is integral component of 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 1 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.3544252).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
MCTP2NM_001385001.1 linkuse as main transcriptc.139C>T p.Arg47Cys missense_variant 2/23 ENST00000357742.10 NP_001371930.1

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
MCTP2ENST00000357742.10 linkuse as main transcriptc.139C>T p.Arg47Cys missense_variant 2/231 NM_001385001.1 ENSP00000350377 P1Q6DN12-1

Frequencies

GnomAD3 genomes
AF:
0.0000329
AC:
5
AN:
152192
Hom.:
0
Cov.:
31
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:
0.0000588
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.0000517
AC:
13
AN:
251230
Hom.:
0
AF XY:
0.0000516
AC XY:
7
AN XY:
135758
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000289
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:
0.000106
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000499
AC:
73
AN:
1461876
Hom.:
0
Cov.:
32
AF XY:
0.0000619
AC XY:
45
AN XY:
727240
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.0000224
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.0000252
Gnomad4 SAS exome
AF:
0.0000116
Gnomad4 FIN exome
AF:
0.0000187
Gnomad4 NFE exome
AF:
0.0000594
Gnomad4 OTH exome
AF:
0.0000497
GnomAD4 genome
AF:
0.0000329
AC:
5
AN:
152192
Hom.:
0
Cov.:
31
AF XY:
0.0000134
AC XY:
1
AN XY:
74356
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:
0.0000588
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000987
Hom.:
0
Bravo
AF:
0.0000227
ExAC
AF:
0.0000494
AC:
6
EpiCase
AF:
0.0000545
EpiControl
AF:
0.000119

ClinVar

Significance: Uncertain significance
Submissions summary: Uncertain:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

Inborn genetic diseases Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsDec 20, 2023The c.139C>T (p.R47C) alteration is located in exon 1 (coding exon 1) of the MCTP2 gene. This alteration results from a C to T substitution at nucleotide position 139, causing the arginine (R) at amino acid position 47 to be replaced by a cysteine (C). 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
0.089
BayesDel_addAF
Uncertain
0.019
T
BayesDel_noAF
Uncertain
-0.010
CADD
Uncertain
24
DANN
Pathogenic
1.0
DEOGEN2
Benign
0.058
T;.;T
Eigen
Benign
0.18
Eigen_PC
Benign
0.14
FATHMM_MKL
Benign
0.74
D
LIST_S2
Uncertain
0.91
D;D;D
M_CAP
Benign
0.079
D
MetaRNN
Benign
0.35
T;T;T
MetaSVM
Benign
-0.37
T
MutationAssessor
Uncertain
2.4
.;M;M
MutationTaster
Benign
1.0
D;D;D;D
PrimateAI
Uncertain
0.57
T
PROVEAN
Uncertain
-2.4
N;N;D
REVEL
Uncertain
0.38
Sift
Uncertain
0.0010
D;D;D
Sift4G
Pathogenic
0.0010
D;D;D
Polyphen
1.0
D;D;D
Vest4
0.39
MVP
0.38
MPC
0.022
ClinPred
0.36
T
GERP RS
4.2
Varity_R
0.19
gMVP
0.44

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: rs751656768; hg19: chr15-94841633; COSMIC: COSV59151239; API