chr15-81332620-G-T

Variant summary

Our verdict is Likely benign. Variant got -2 ACMG points: 2P and 4B. PM2BP4_Strong

The ENST00000359440.6(TMC3):​c.3102C>A​(p.Phe1034Leu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000576 in 1,613,990 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.00025 ( 0 hom., cov: 32)
Exomes 𝑓: 0.000038 ( 0 hom. )

Consequence

TMC3
ENST00000359440.6 missense

Scores

19

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: -2.94
Variant links:
Genes affected
TMC3 (HGNC:22995): (transmembrane channel like 3) Predicted to enable mechanosensitive ion channel activity. Predicted to be involved in ion transmembrane transport. Predicted to be integral component of plasma 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 -2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.004706681).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
TMC3NM_001080532.3 linkuse as main transcriptc.3102C>A p.Phe1034Leu missense_variant 22/22 ENST00000359440.6 NP_001074001.1 Q7Z5M5-1
TMC3-AS1NR_120365.1 linkuse as main transcriptn.426+79G>T intron_variant

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
TMC3ENST00000359440.6 linkuse as main transcriptc.3102C>A p.Phe1034Leu missense_variant 22/221 NM_001080532.3 ENSP00000352413.5 Q7Z5M5-1

Frequencies

GnomAD3 genomes
AF:
0.000250
AC:
38
AN:
152170
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.000893
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:
0.00
Gnomad OTH
AF:
0.000478
GnomAD3 exomes
AF:
0.0000843
AC:
21
AN:
249156
Hom.:
0
AF XY:
0.0000592
AC XY:
8
AN XY:
135180
show subpopulations
Gnomad AFR exome
AF:
0.00110
Gnomad AMR exome
AF:
0.0000869
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:
0.00000885
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000376
AC:
55
AN:
1461702
Hom.:
0
Cov.:
82
AF XY:
0.0000248
AC XY:
18
AN XY:
727134
show subpopulations
Gnomad4 AFR exome
AF:
0.00146
Gnomad4 AMR exome
AF:
0.0000447
Gnomad4 ASJ exome
AF:
0.00
Gnomad4 EAS exome
AF:
0.00
Gnomad4 SAS exome
AF:
0.00
Gnomad4 FIN exome
AF:
0.00
Gnomad4 NFE exome
AF:
0.00
Gnomad4 OTH exome
AF:
0.0000663
GnomAD4 genome
AF:
0.000250
AC:
38
AN:
152288
Hom.:
0
Cov.:
32
AF XY:
0.000188
AC XY:
14
AN XY:
74468
show subpopulations
Gnomad4 AFR
AF:
0.000891
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:
0.00
Gnomad4 OTH
AF:
0.000473
Alfa
AF:
0.000230
Hom.:
0
Bravo
AF:
0.000378
ESP6500AA
AF:
0.000236
AC:
1
ESP6500EA
AF:
0.00
AC:
0
ExAC
AF:
0.0000991
AC:
12

ClinVar

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

Submissions by phenotype

not specified Uncertain:1
Uncertain significance, criteria provided, single submitterclinical testingAmbry GeneticsJan 04, 2024The c.3102C>A (p.F1034L) alteration is located in exon 22 (coding exon 22) of the TMC3 gene. This alteration results from a C to A substitution at nucleotide position 3102, causing the phenylalanine (F) at amino acid position 1034 to be replaced by a leucine (L). 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
0.27
BayesDel_addAF
Benign
-0.58
T
BayesDel_noAF
Benign
-0.65
CADD
Benign
0.0010
DANN
Benign
0.63
DEOGEN2
Benign
0.0032
.;T
Eigen
Benign
-2.4
Eigen_PC
Benign
-2.4
FATHMM_MKL
Benign
0.031
N
LIST_S2
Benign
0.47
T;T
M_CAP
Benign
0.0039
T
MetaRNN
Benign
0.0047
T;T
MetaSVM
Benign
-1.0
T
MutationAssessor
Benign
1.2
.;L
MutationTaster
Benign
1.0
N;N
PrimateAI
Benign
0.29
T
PROVEAN
Benign
0.31
N;N
REVEL
Benign
0.066
Sift
Benign
1.0
T;T
Sift4G
Benign
1.0
T;T
Polyphen
0.0
.;B
Vest4
0.037
MutPred
0.14
.;Loss of methylation at R1033 (P = 0.0996);
MVP
0.014
MPC
0.17
ClinPred
0.020
T
GERP RS
-9.8
Varity_R
0.029
gMVP
0.036

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: rs115607037; hg19: chr15-81624961; COSMIC: COSV100845835; COSMIC: COSV100845835; API