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15-94298381-G-A

Variant summary

Our verdict is Likely benign. Variant got -6 ACMG points: 0P and 6B. BP4_StrongBP6_Moderate

The NM_001385001.1(MCTP2):c.116G>A(p.Arg39Gln) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00135 in 1,614,084 control chromosomes in the GnomAD database, including 3 homozygotes. In-silico tool predicts a benign outcome for this variant. 15/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★). Synonymous variant affecting the same amino acid position (i.e. R39R) has been classified as Benign.

Frequency

Genomes: 𝑓 0.00086 ( 0 hom., cov: 31)
Exomes 𝑓: 0.0014 ( 3 hom. )

Consequence

MCTP2
NM_001385001.1 missense

Scores

1
17

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: 2.99
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 Likely_benign. Variant got -6 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.009117097).
BP6
Variant 15-94298381-G-A is Benign according to our data. Variant chr15-94298381-G-A is described in ClinVar as [Likely_benign]. Clinvar id is 3039959.Status of the report is criteria_provided_single_submitter, 1 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
MCTP2NM_001385001.1 linkuse as main transcriptc.116G>A p.Arg39Gln missense_variant 2/23 ENST00000357742.10

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
MCTP2ENST00000357742.10 linkuse as main transcriptc.116G>A p.Arg39Gln missense_variant 2/231 NM_001385001.1 P1Q6DN12-1

Frequencies

GnomAD3 genomes
AF:
0.000861
AC:
131
AN:
152090
Hom.:
0
Cov.:
31
show subpopulations
Gnomad AFR
AF:
0.000338
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.000458
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00123
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00141
Gnomad OTH
AF:
0.000478
GnomAD3 exomes
AF:
0.00122
AC:
307
AN:
251314
Hom.:
1
AF XY:
0.00124
AC XY:
169
AN XY:
135804
show subpopulations
Gnomad AFR exome
AF:
0.000308
Gnomad AMR exome
AF:
0.000463
Gnomad ASJ exome
AF:
0.000695
Gnomad EAS exome
AF:
0.0000544
Gnomad SAS exome
AF:
0.000261
Gnomad FIN exome
AF:
0.00157
Gnomad NFE exome
AF:
0.00205
Gnomad OTH exome
AF:
0.000489
GnomAD4 exome
AF:
0.00140
AC:
2046
AN:
1461876
Hom.:
3
Cov.:
32
AF XY:
0.00130
AC XY:
943
AN XY:
727242
show subpopulations
Gnomad4 AFR exome
AF:
0.000269
Gnomad4 AMR exome
AF:
0.000402
Gnomad4 ASJ exome
AF:
0.000842
Gnomad4 EAS exome
AF:
0.000202
Gnomad4 SAS exome
AF:
0.000278
Gnomad4 FIN exome
AF:
0.00163
Gnomad4 NFE exome
AF:
0.00162
Gnomad4 OTH exome
AF:
0.00131
GnomAD4 genome
AF:
0.000861
AC:
131
AN:
152208
Hom.:
0
Cov.:
31
AF XY:
0.000833
AC XY:
62
AN XY:
74420
show subpopulations
Gnomad4 AFR
AF:
0.000337
Gnomad4 AMR
AF:
0.000458
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00123
Gnomad4 NFE
AF:
0.00141
Gnomad4 OTH
AF:
0.000473
Alfa
AF:
0.00140
Hom.:
3
Bravo
AF:
0.000756
TwinsUK
AF:
0.00135
AC:
5
ALSPAC
AF:
0.00104
AC:
4
ESP6500AA
AF:
0.000228
AC:
1
ESP6500EA
AF:
0.00116
AC:
10
ExAC
AF:
0.00140
AC:
170
Asia WGS
AF:
0.000289
AC:
1
AN:
3478
EpiCase
AF:
0.00164
EpiControl
AF:
0.00172

ClinVar

Significance: Likely benign
Submissions summary: Benign:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

MCTP2-related disorder Benign:1
Likely benign, criteria provided, single submitterclinical testingPreventionGenetics, part of Exact SciencesAug 02, 2023This variant is classified as likely benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.068
BayesDel_addAF
Benign
-0.42
T
BayesDel_noAF
Benign
-0.38
Cadd
Benign
16
Dann
Uncertain
0.98
DEOGEN2
Benign
0.0065
T;.;T
Eigen
Benign
-0.74
Eigen_PC
Benign
-0.72
FATHMM_MKL
Benign
0.16
N
LIST_S2
Benign
0.82
T;T;T
M_CAP
Benign
0.022
T
MetaRNN
Benign
0.0091
T;T;T
MetaSVM
Benign
-0.88
T
MutationTaster
Benign
1.0
N;N;N;N
PrimateAI
Benign
0.32
T
PROVEAN
Benign
-0.38
N;N;N
REVEL
Benign
0.086
Sift
Benign
0.16
T;T;T
Sift4G
Benign
0.19
T;T;T
Polyphen
0.014
B;B;B
Vest4
0.21
MVP
0.27
MPC
0.020
ClinPred
0.0064
T
GERP RS
3.2
Varity_R
0.045
gMVP
0.26

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: rs149237812; hg19: chr15-94841610; COSMIC: COSV59143051; API