chr15-94298443-G-A

Variant summary

Our verdict is Benign. Variant got -20 ACMG points: 0P and 20B. BP4_StrongBP6_Very_StrongBS1BS2

The NM_001385001.1(MCTP2):​c.178G>A​(p.Ala60Thr) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00101 in 1,614,148 control chromosomes in the GnomAD database, including 22 homozygotes. In-silico tool predicts a benign outcome for this variant. 15/20 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.0053 ( 11 hom., cov: 31)
Exomes 𝑓: 0.00056 ( 11 hom. )

Consequence

MCTP2
NM_001385001.1 missense

Scores

18

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:2

Conservation

PhyloP100: 0.890
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 Benign. Variant got -20 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.0032037497).
BP6
Variant 15-94298443-G-A is Benign according to our data. Variant chr15-94298443-G-A is described in ClinVar as [Benign]. Clinvar id is 716017.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BS1
Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.00526 (801/152300) while in subpopulation AFR AF= 0.0183 (761/41570). AF 95% confidence interval is 0.0172. There are 11 homozygotes in gnomad4. There are 378 alleles in male gnomad4 subpopulation. Median coverage is 31. This position pass quality control queck.
BS2
High Homozygotes in GnomAd4 at 11 AR gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
MCTP2NM_001385001.1 linkuse as main transcriptc.178G>A p.Ala60Thr missense_variant 2/23 ENST00000357742.10

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
MCTP2ENST00000357742.10 linkuse as main transcriptc.178G>A p.Ala60Thr missense_variant 2/231 NM_001385001.1 P1Q6DN12-1

Frequencies

GnomAD3 genomes
AF:
0.00527
AC:
802
AN:
152182
Hom.:
11
Cov.:
31
show subpopulations
Gnomad AFR
AF:
0.0184
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00190
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.000207
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00633
Gnomad NFE
AF:
0.0000294
Gnomad OTH
AF:
0.00287
GnomAD3 exomes
AF:
0.00127
AC:
319
AN:
251024
Hom.:
5
AF XY:
0.000907
AC XY:
123
AN XY:
135668
show subpopulations
Gnomad AFR exome
AF:
0.0175
Gnomad AMR exome
AF:
0.000752
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:
0.0000353
Gnomad OTH exome
AF:
0.000817
GnomAD4 exome
AF:
0.000563
AC:
823
AN:
1461848
Hom.:
11
Cov.:
32
AF XY:
0.000492
AC XY:
358
AN XY:
727232
show subpopulations
Gnomad4 AFR exome
AF:
0.0207
Gnomad4 AMR exome
AF:
0.000939
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000232
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000117
Gnomad4 OTH exome
AF:
0.00108
GnomAD4 genome
AF:
0.00526
AC:
801
AN:
152300
Hom.:
11
Cov.:
31
AF XY:
0.00507
AC XY:
378
AN XY:
74488
show subpopulations
Gnomad4 AFR
AF:
0.0183
Gnomad4 AMR
AF:
0.00189
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.000207
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000294
Gnomad4 OTH
AF:
0.00284
Alfa
AF:
0.000898
Hom.:
3
Bravo
AF:
0.00600
ESP6500AA
AF:
0.0168
AC:
74
ESP6500EA
AF:
0.00
AC:
0
ExAC
AF:
0.00157
AC:
191
EpiCase
AF:
0.00
EpiControl
AF:
0.0000593

ClinVar

Significance: Benign
Submissions summary: Benign:2
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

MCTP2-related disorder Benign:1
Benign, criteria provided, single submitterclinical testingPreventionGenetics, part of Exact SciencesFeb 21, 2019This variant is classified as benign based on ACMG/AMP sequence variant interpretation guidelines (Richards et al. 2015 PMID: 25741868, with internal and published modifications). -
not provided Benign:1
Benign, criteria provided, single submitterclinical testingInvitaeDec 31, 2019- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.066
BayesDel_addAF
Benign
-0.56
T
BayesDel_noAF
Benign
-0.57
CADD
Benign
15
DANN
Benign
0.77
DEOGEN2
Benign
0.0021
T;.;T
Eigen
Benign
-0.77
Eigen_PC
Benign
-0.72
FATHMM_MKL
Benign
0.040
N
LIST_S2
Benign
0.63
T;T;T
MetaRNN
Benign
0.0032
T;T;T
MetaSVM
Benign
-1.1
T
MutationAssessor
Benign
1.3
.;L;L
MutationTaster
Benign
1.0
N;N;N;N
PrimateAI
Benign
0.37
T
PROVEAN
Benign
0.21
N;N;N
REVEL
Benign
0.040
Sift
Benign
0.90
T;T;T
Sift4G
Benign
1.0
T;T;T
Polyphen
0.0010
B;B;B
Vest4
0.067
MVP
0.13
MPC
0.019
ClinPred
0.0021
T
GERP RS
3.0
Varity_R
0.047
gMVP
0.21

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: rs143256791; hg19: chr15-94841672; API