1-230924938-C-T

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_024525.5(TTC13):​c.1624G>A​(p.Val542Met) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000347 in 1,614,174 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 14/21 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: 𝑓 0.000026 ( 0 hom., cov: 33)
Exomes 𝑓: 0.000036 ( 0 hom. )

Consequence

TTC13
NM_024525.5 missense

Scores

3
16

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 2.47
Variant links:
Genes affected
TTC13 (HGNC:26204): (tetratricopeptide repeat domain 13)

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 0 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.07794392).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
TTC13NM_024525.5 linkuse as main transcriptc.1624G>A p.Val542Met missense_variant 14/23 ENST00000366661.9 NP_078801.3

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
TTC13ENST00000366661.9 linkuse as main transcriptc.1624G>A p.Val542Met missense_variant 14/231 NM_024525.5 ENSP00000355621 P1Q8NBP0-1
TTC13ENST00000366662.8 linkuse as main transcriptc.1465G>A p.Val489Met missense_variant 12/211 ENSP00000355622 Q8NBP0-2

Frequencies

GnomAD3 genomes
AF:
0.0000263
AC:
4
AN:
152164
Hom.:
0
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.0000241
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.000193
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000294
Gnomad OTH
AF:
0.00
GnomAD3 exomes
AF:
0.00000795
AC:
2
AN:
251488
Hom.:
0
AF XY:
0.00000736
AC XY:
1
AN XY:
135918
show subpopulations
Gnomad AFR exome
AF:
0.0000615
Gnomad AMR exome
AF:
0.00
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:
0.00000879
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.0000356
AC:
52
AN:
1461892
Hom.:
0
Cov.:
30
AF XY:
0.0000385
AC XY:
28
AN XY:
727246
show subpopulations
Gnomad4 AFR exome
AF:
0.0000597
Gnomad4 AMR exome
AF:
0.00
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:
0.0000423
Gnomad4 OTH exome
AF:
0.0000497
GnomAD4 genome
AF:
0.0000263
AC:
4
AN:
152282
Hom.:
0
Cov.:
33
AF XY:
0.0000134
AC XY:
1
AN XY:
74472
show subpopulations
Gnomad4 AFR
AF:
0.0000241
Gnomad4 AMR
AF:
0.00
Gnomad4 ASJ
AF:
0.00
Gnomad4 EAS
AF:
0.000193
Gnomad4 SAS
AF:
0.00
Gnomad4 FIN
AF:
0.00
Gnomad4 NFE
AF:
0.0000294
Gnomad4 OTH
AF:
0.00
Alfa
AF:
0.0000712
Hom.:
0
Bravo
AF:
0.0000340
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000116
AC:
1
ExAC
AF:
0.0000165
AC:
2
EpiCase
AF:
0.000109
EpiControl
AF:
0.00

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 GeneticsFeb 03, 2022The c.1624G>A (p.V542M) alteration is located in exon 14 (coding exon 14) of the TTC13 gene. This alteration results from a G to A substitution at nucleotide position 1624, causing the valine (V) at amino acid position 542 to be replaced by a methionine (M). 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
0.11
BayesDel_addAF
Benign
-0.32
T
BayesDel_noAF
Benign
-0.52
CADD
Benign
19
DANN
Benign
0.97
DEOGEN2
Benign
0.025
T;.
Eigen
Benign
-0.21
Eigen_PC
Benign
-0.039
FATHMM_MKL
Uncertain
0.83
D
LIST_S2
Uncertain
0.96
D;D
M_CAP
Benign
0.0072
T
MetaRNN
Benign
0.078
T;T
MetaSVM
Benign
-1.1
T
MutationAssessor
Benign
0.51
N;.
MutationTaster
Benign
0.98
D;D;D
PrimateAI
Uncertain
0.58
T
PROVEAN
Benign
-1.4
N;N
REVEL
Benign
0.082
Sift
Benign
0.32
T;T
Sift4G
Benign
0.47
T;T
Polyphen
0.19
B;B
Vest4
0.28
MVP
0.18
MPC
0.28
ClinPred
0.17
T
GERP RS
5.5
Varity_R
0.041
gMVP
0.30

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: rs200301610; hg19: chr1-231060684; COSMIC: COSV64168519; COSMIC: COSV64168519; API