chr2-74490046-C-G

Variant summary

Our verdict is Uncertain significance. Variant got 2 ACMG points: 2P and 0B. PM2

The NM_022492.6(TTC31):ā€‹c.151C>Gā€‹(p.Arg51Gly) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000192 in 1,559,964 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (ā˜…).

Frequency

Genomes: š‘“ 0.0000066 ( 0 hom., cov: 32)
Exomes š‘“: 0.0000014 ( 0 hom. )

Consequence

TTC31
NM_022492.6 missense

Scores

1
1
13

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: -0.327
Variant links:
Genes affected
TTC31 (HGNC:25759): (tetratricopeptide repeat domain 31)

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 2 ACMG points.

PM2
Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE UniProt
TTC31NM_022492.6 linkuse as main transcriptc.151C>G p.Arg51Gly missense_variant 3/13 ENST00000233623.11

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Appris UniProt
TTC31ENST00000233623.11 linkuse as main transcriptc.151C>G p.Arg51Gly missense_variant 3/131 NM_022492.6 P1Q49AM3-1

Frequencies

GnomAD3 genomes
AF:
0.00000659
AC:
1
AN:
151664
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0000656
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:
0.00
GnomAD3 exomes
AF:
0.0000112
AC:
2
AN:
177980
Hom.:
0
AF XY:
0.00
AC XY:
0
AN XY:
94942
show subpopulations
Gnomad AFR exome
AF:
0.00
Gnomad AMR exome
AF:
0.0000765
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:
0.00
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000142
AC:
2
AN:
1408300
Hom.:
0
Cov.:
35
AF XY:
0.00
AC XY:
0
AN XY:
695958
show subpopulations
Gnomad4 AFR exome
AF:
0.00
Gnomad4 AMR exome
AF:
0.0000543
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:
0.00
GnomAD4 genome
AF:
0.00000659
AC:
1
AN:
151664
Hom.:
0
Cov.:
32
AF XY:
0.0000135
AC XY:
1
AN XY:
74062
show subpopulations
Gnomad4 AFR
AF:
0.00
Gnomad4 AMR
AF:
0.0000656
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:
0.00
Bravo
AF:
0.00000756

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.13
BayesDel_addAF
Benign
-0.22
T
BayesDel_noAF
Benign
-0.37
CADD
Benign
16
DANN
Uncertain
0.98
Eigen
Benign
-0.54
Eigen_PC
Benign
-0.68
FATHMM_MKL
Benign
0.078
N
LIST_S2
Benign
0.76
T;T;T
M_CAP
Benign
0.0039
T
MetaRNN
Benign
0.13
T;T;T
MetaSVM
Benign
-0.99
T
MutationAssessor
Benign
1.8
L;.;L
MutationTaster
Benign
1.0
N;N;N
PrimateAI
Benign
0.28
T
Sift4G
Pathogenic
0.0
D;D;D
Polyphen
0.65
.;.;P
Vest4
0.46
MutPred
0.36
Loss of helix (P = 0.028);Loss of helix (P = 0.028);Loss of helix (P = 0.028);
MVP
0.59
MPC
0.28
ClinPred
0.58
D
GERP RS
-0.62
Varity_R
0.19
gMVP
0.38

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.22
Details are displayed if max score is > 0.2
DS_AL_spliceai
0.22
Position offset: -21

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: rs368419493; hg19: chr2-74717173; API