12-88153438-C-G

Variant summary

Our verdict is Benign. Variant got -14 ACMG points: 0P and 14B. BP4_StrongBP6_ModerateBS1BS2

The NM_181783.4(TMTC3):ā€‹c.337C>Gā€‹(p.Leu113Val) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000434 in 1,613,608 control chromosomes in the GnomAD database, including 9 homozygotes. In-silico tool predicts a benign outcome for this variant. 11/19 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (ā˜…).

Frequency

Genomes: š‘“ 0.00020 ( 1 hom., cov: 32)
Exomes š‘“: 0.00046 ( 8 hom. )

Consequence

TMTC3
NM_181783.4 missense

Scores

7
11

Clinical Significance

Likely benign criteria provided, single submitter B:1

Conservation

PhyloP100: 1.60
Variant links:
Genes affected
TMTC3 (HGNC:26899): (transmembrane O-mannosyltransferase targeting cadherins 3) This gene encodes a protein that belongs to the transmembrane and tetratricopeptide repeat-containing protein family. [provided by RefSeq, May 2010]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -14 ACMG points.

BP4
Computational evidence support a benign effect (MetaRNN=0.010012358).
BP6
Variant 12-88153438-C-G is Benign according to our data. Variant chr12-88153438-C-G is described in ClinVar as [Likely_benign]. Clinvar id is 749541.Status of the report is criteria_provided_single_submitter, 1 stars.
BS1
Variant frequency is greater than expected in population eas. gnomad4 allele frequency = 0.000204 (31/152244) while in subpopulation EAS AF= 0.00578 (30/5190). AF 95% confidence interval is 0.00416. There are 1 homozygotes in gnomad4. There are 12 alleles in male gnomad4 subpopulation. Median coverage is 32. This position pass quality control queck.
BS2
High Homozygotes in GnomAdExome4 at 8 AR gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
TMTC3NM_181783.4 linkuse as main transcriptc.337C>G p.Leu113Val missense_variant 3/14 ENST00000266712.11

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
TMTC3ENST00000266712.11 linkuse as main transcriptc.337C>G p.Leu113Val missense_variant 3/141 NM_181783.4 P1Q6ZXV5-2
TMTC3ENST00000547034.5 linkuse as main transcriptc.337C>G p.Leu113Val missense_variant, NMD_transcript_variant 3/121
TMTC3ENST00000549011.5 linkuse as main transcriptc.337C>G p.Leu113Val missense_variant 3/44
TMTC3ENST00000551088.1 linkuse as main transcriptc.190-850C>G intron_variant 3

Frequencies

GnomAD3 genomes
AF:
0.000204
AC:
31
AN:
152126
Hom.:
1
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000655
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.00577
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.00
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.000247
AC:
62
AN:
251144
Hom.:
0
AF XY:
0.000169
AC XY:
23
AN XY:
135762
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.00
Gnomad ASJ exome
AF:
0.00
Gnomad EAS exome
AF:
0.00337
Gnomad SAS exome
AF:
0.00
Gnomad FIN exome
AF:
0.00
Gnomad NFE exome
AF:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.000458
AC:
669
AN:
1461364
Hom.:
8
Cov.:
31
AF XY:
0.000399
AC XY:
290
AN XY:
727000
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.00
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.0169
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.0000166
GnomAD4 genome
AF:
0.000204
AC:
31
AN:
152244
Hom.:
1
Cov.:
32
AF XY:
0.000161
AC XY:
12
AN XY:
74440
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.0000654
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.00578
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.00
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.000389
Hom.:
0
Bravo
AF:
0.0000567
ExAC
AF:
0.000329
AC:
40
Asia WGS
AF:
0.00202
AC:
7
AN:
3478

ClinVar

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

Submissions by phenotype

not provided Benign:1
Likely benign, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpNov 06, 2023- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_addAF
Benign
-0.15
T
BayesDel_noAF
Uncertain
0.010
CADD
Benign
23
DANN
Uncertain
1.0
DEOGEN2
Benign
0.018
T;.
Eigen
Uncertain
0.25
Eigen_PC
Uncertain
0.33
FATHMM_MKL
Uncertain
0.94
D
LIST_S2
Benign
0.80
T;T
M_CAP
Benign
0.063
D
MetaRNN
Benign
0.010
T;T
MetaSVM
Uncertain
0.26
D
MutationAssessor
Benign
0.97
.;L
MutationTaster
Benign
1.0
D
PrimateAI
Benign
0.41
T
PROVEAN
Benign
-0.63
N;N
REVEL
Uncertain
0.47
Sift
Benign
0.32
T;D
Sift4G
Benign
0.58
T;T
Polyphen
0.85
.;P
Vest4
0.21
MVP
0.86
MPC
0.36
ClinPred
0.12
T
GERP RS
4.8
gMVP
0.48

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.020
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: rs78527125; hg19: chr12-88547215; COSMIC: COSV57125547; API