4-146874761-G-A

Variant summary

Our verdict is Pathogenic. Variant got 12 ACMG points: 12P and 0B. PVS1PM2PP5_Moderate

The NM_031956.4(TTC29):​c.754C>T​(p.Gln252Ter) variant causes a stop gained change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000657 in 152,100 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Likely pathogenic (★). Variant results in nonsense mediated mRNA decay.

Frequency

Genomes: 𝑓 0.0000066 ( 0 hom., cov: 32)

Consequence

TTC29
NM_031956.4 stop_gained

Scores

4
2
1

Clinical Significance

Likely pathogenic criteria provided, single submitter P:1

Conservation

PhyloP100: 2.17
Variant links:
Genes affected
TTC29 (HGNC:29936): (tetratricopeptide repeat domain 29) Involved in cilium movement and cilium organization. Located in sperm flagellum. Implicated in spermatogenic failure 42. [provided by Alliance of Genome Resources, Apr 2022]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Pathogenic. Variant got 12 ACMG points.

PVS1
Loss of function variant, product undergoes nonsense mediated mRNA decay. LoF is a known mechanism of disease.
PM2
Very rare variant in population databases, with high coverage;
PP5
Variant 4-146874761-G-A is Pathogenic according to our data. Variant chr4-146874761-G-A is described in ClinVar as [Likely_pathogenic]. Clinvar id is 1675966.Status of the report is criteria_provided_single_submitter, 1 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
TTC29NM_031956.4 linkuse as main transcriptc.754C>T p.Gln252Ter stop_gained 7/13 ENST00000325106.9 NP_114162.2

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
TTC29ENST00000325106.9 linkuse as main transcriptc.754C>T p.Gln252Ter stop_gained 7/131 NM_031956.4 ENSP00000316740 P4Q8NA56-1
TTC29ENST00000508306.5 linkuse as main transcriptc.754C>T p.Gln252Ter stop_gained, NMD_transcript_variant 7/141 ENSP00000422648
TTC29ENST00000513335.5 linkuse as main transcriptc.832C>T p.Gln278Ter stop_gained 8/142 ENSP00000423505
TTC29ENST00000504425.5 linkuse as main transcriptc.754C>T p.Gln252Ter stop_gained 7/135 ENSP00000425778 A1

Frequencies

GnomAD3 genomes
AF:
0.00000657
AC:
1
AN:
152100
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:
0.00
Gnomad SAS
AF:
0.00
Gnomad FIN
AF:
0.00
Gnomad MID
AF:
0.00
Gnomad NFE
AF:
0.0000147
Gnomad OTH
AF:
0.00
GnomAD4 exome
Cov.:
31
GnomAD4 genome
AF:
0.00000657
AC:
1
AN:
152100
Hom.:
0
Cov.:
32
AF XY:
0.00
AC XY:
0
AN XY:
74298
show subpopulations
Gnomad4 AFR
AF:
0.00
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:
0.0000147
Gnomad4 OTH
AF:
0.00
Bravo
AF:
0.00000378

ClinVar

Significance: Likely pathogenic
Submissions summary: Pathogenic:1
Revision: criteria provided, single submitter
LINK: link

Submissions by phenotype

not provided Pathogenic:1
Likely pathogenic, criteria provided, single submitterclinical testingCeGaT Center for Human Genetics TuebingenFeb 01, 2022- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
BayesDel_addAF
Pathogenic
0.60
D
BayesDel_noAF
Pathogenic
0.62
CADD
Pathogenic
37
DANN
Uncertain
1.0
Eigen
Pathogenic
1.0
Eigen_PC
Pathogenic
0.88
FATHMM_MKL
Uncertain
0.86
D
MutationTaster
Benign
1.0
A;A;A;A
Vest4
0.33
GERP RS
5.0

Splicing

Name
Calibrated prediction
Score
Prediction
SpliceAI score (max)
0.28
Details are displayed if max score is > 0.2
DS_DL_spliceai
0.28
Position offset: -45

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: rs773517202; hg19: chr4-147795913; API