chr15-94298382-G-A

Variant summary

Our verdict is Benign. Variant got -21 ACMG points: 0P and 21B. BP4_StrongBP6_Very_StrongBP7BS1BS2

The NM_001385001.1(MCTP2):​c.117G>A​(p.Arg39=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000942 in 1,614,138 control chromosomes in the GnomAD database, including 14 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Benign (★★).

Frequency

Genomes: 𝑓 0.0052 ( 6 hom., cov: 31)
Exomes 𝑓: 0.00050 ( 8 hom. )

Consequence

MCTP2
NM_001385001.1 synonymous

Scores

2

Clinical Significance

Benign criteria provided, multiple submitters, no conflicts B:3

Conservation

PhyloP100: 0.325
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]

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ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -21 ACMG points.

BP4
Computational evidence support a benign effect (BayesDel_noAF=-0.84).
BP6
Variant 15-94298382-G-A is Benign according to our data. Variant chr15-94298382-G-A is described in ClinVar as [Benign]. Clinvar id is 709916.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BP7
Synonymous conserved (PhyloP=0.325 with no splicing effect.
BS1
Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.00521 (794/152260) while in subpopulation AFR AF= 0.0178 (739/41548). AF 95% confidence interval is 0.0167. There are 6 homozygotes in gnomad4. There are 362 alleles in male gnomad4 subpopulation. Median coverage is 31. This position pass quality control queck.
BS2
High Homozygotes in GnomAd4 at 6 AR gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
MCTP2NM_001385001.1 linkuse as main transcriptc.117G>A p.Arg39= synonymous_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.117G>A p.Arg39= synonymous_variant 2/231 NM_001385001.1 ENSP00000350377 P1Q6DN12-1

Frequencies

GnomAD3 genomes
AF:
0.00522
AC:
794
AN:
152142
Hom.:
6
Cov.:
31
show subpopulations
Gnomad AFR
AF:
0.0178
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00282
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:
0.0000735
Gnomad OTH
AF:
0.00334
GnomAD3 exomes
AF:
0.00134
AC:
338
AN:
251310
Hom.:
3
AF XY:
0.000957
AC XY:
130
AN XY:
135802
show subpopulations
Gnomad AFR exome
AF:
0.0175
Gnomad AMR exome
AF:
0.00127
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:
0.0000352
Gnomad OTH exome
AF:
0.000816
GnomAD4 exome
AF:
0.000497
AC:
727
AN:
1461878
Hom.:
8
Cov.:
32
AF XY:
0.000426
AC XY:
310
AN XY:
727244
show subpopulations
Gnomad4 AFR exome
AF:
0.0170
Gnomad4 AMR exome
AF:
0.00121
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.0000464
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.0000225
Gnomad4 OTH exome
AF:
0.00116
GnomAD4 genome
AF:
0.00521
AC:
794
AN:
152260
Hom.:
6
Cov.:
31
AF XY:
0.00486
AC XY:
362
AN XY:
74452
show subpopulations
Gnomad4 AFR
AF:
0.0178
Gnomad4 AMR
AF:
0.00281
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000735
Gnomad4 OTH
AF:
0.00331
Alfa
AF:
0.00297
Hom.:
2
Bravo
AF:
0.00574
Asia WGS
AF:
0.000577
AC:
2
AN:
3478
EpiCase
AF:
0.000109
EpiControl
AF:
0.0000593

ClinVar

Significance: Benign
Submissions summary: Benign:3
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not provided Benign:2
Benign, criteria provided, single submitternot providedBreakthrough Genomics, Breakthrough Genomics-- -
Benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpDec 31, 2019- -
MCTP2-related disorder Benign:1
Benign, no assertion criteria providedclinical testingPreventionGenetics, part of Exact SciencesMar 22, 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). -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_noAF
Benign
-0.84
CADD
Benign
3.8
DANN
Benign
0.57

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: rs61735133; hg19: chr15-94841611; API