rs760218762

Variant summary

Our verdict is Uncertain significance. The variant received 1 ACMG points: 2P and 1B. PM2BP4

The NM_001242672.3(TTC34):​c.2953C>T​(p.Arg985Cys) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0000013 in 1,535,382 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 12/20 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R985G) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)
Exomes 𝑓: 7.2e-7 ( 0 hom. )

Consequence

TTC34
NM_001242672.3 missense

Scores

3
13

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.966

Publications

0 publications found
Variant links:
Genes affected
TTC34 (HGNC:34297): (tetratricopeptide repeat domain 34)

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 1 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
BP4
Computational evidence support a benign effect (MetaRNN=0.3408343).

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
TTC34NM_001242672.3 linkc.2953C>T p.Arg985Cys missense_variant Exon 9 of 9 ENST00000401095.9 NP_001229601.2 A8MYJ7

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
TTC34ENST00000401095.9 linkc.2953C>T p.Arg985Cys missense_variant Exon 9 of 9 5 NM_001242672.3 ENSP00000383873.4 A0A1C7CYW7
TTC34ENST00000637179.1 linkc.1414C>T p.Arg472Cys missense_variant Exon 7 of 7 5 ENSP00000490537.1 A8MYJ7

Frequencies

GnomAD3 genomes
AF:
0.00000657
AC:
1
AN:
152194
Hom.:
0
Cov.:
32
show subpopulations
Gnomad AFR
AF:
0.00
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.00
Gnomad ASJ
AF:
0.00
Gnomad EAS
AF:
0.000192
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
GnomAD4 exome
AF:
7.23e-7
AC:
1
AN:
1383070
Hom.:
0
Cov.:
30
AF XY:
0.00000147
AC XY:
1
AN XY:
682458
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
31576
American (AMR)
AF:
0.00
AC:
0
AN:
35678
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
25148
East Asian (EAS)
AF:
0.00
AC:
0
AN:
35724
South Asian (SAS)
AF:
0.00
AC:
0
AN:
79216
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
33614
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
5588
European-Non Finnish (NFE)
AF:
9.27e-7
AC:
1
AN:
1078672
Other (OTH)
AF:
0.00
AC:
0
AN:
57854
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.425
Heterozygous variant carriers
0
0
1
1
2
2
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Variant carriers
0
2
4
6
8
10
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
GnomAD4 genome
AF:
0.00000657
AC:
1
AN:
152312
Hom.:
0
Cov.:
32
AF XY:
0.0000134
AC XY:
1
AN XY:
74484
show subpopulations
African (AFR)
AF:
0.00
AC:
0
AN:
41560
American (AMR)
AF:
0.00
AC:
0
AN:
15310
Ashkenazi Jewish (ASJ)
AF:
0.00
AC:
0
AN:
3472
East Asian (EAS)
AF:
0.000193
AC:
1
AN:
5184
South Asian (SAS)
AF:
0.00
AC:
0
AN:
4834
European-Finnish (FIN)
AF:
0.00
AC:
0
AN:
10630
Middle Eastern (MID)
AF:
0.00
AC:
0
AN:
294
European-Non Finnish (NFE)
AF:
0.00
AC:
0
AN:
68002
Other (OTH)
AF:
0.00
AC:
0
AN:
2114
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.475
Heterozygous variant carriers
0
0
1
1
2
2
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance
Alfa
AF:
0.00
Hom.:
0
Bravo
AF:
0.00000756

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.11
BayesDel_addAF
Benign
-0.13
T
BayesDel_noAF
Benign
-0.42
CADD
Benign
22
DANN
Uncertain
1.0
DEOGEN2
Benign
0.066
.;T
Eigen
Benign
-0.019
Eigen_PC
Benign
-0.069
FATHMM_MKL
Benign
0.40
N
LIST_S2
Benign
0.78
T;.
M_CAP
Benign
0.053
D
MetaRNN
Benign
0.34
T;T
MetaSVM
Benign
-0.92
T
MutationAssessor
Uncertain
2.6
.;M
PhyloP100
0.97
PrimateAI
Uncertain
0.62
T
REVEL
Benign
0.13
MutPred
0.57
.;Gain of catalytic residue at L473 (P = 0.0223);
MVP
0.54
ClinPred
0.45
T
GERP RS
2.9
Varity_R
0.10
gMVP
0.29
Mutation Taster
=89/11
polymorphism

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

Other links and lift over

dbSNP: rs760218762; hg19: chr1-2573094; COSMIC: COSV69009321; API