Variant 11-113316283-T-G details in Genebe, Genetics Data Aggregator

Variant summary

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

The NM_017868.4(TTC12):c.26T>G(p.Leu9Trp) variant causes a missense change. The variant allele was found at a frequency of 0.0000543 in 1,473,956 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 (★).

Frequency

Genomes: 𝑓 0.000085 ( 0 hom., cov: 33)

Exomes 𝑓: 0.000051 ( 0 hom. )

Consequence

TTC12
NM_017868.4 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:1

Conservation

PhyloP100: 3.90

Variant links:

Genes affected

TTC12 (HGNC:23700): (tetratricopeptide repeat domain 12) Involved in axonemal dynein complex assembly and sperm axoneme assembly. Located in centrosome and cytoplasm. Implicated in primary ciliary dyskinesia 45. [provided by Alliance of Genome Resources, Apr 2022]

TTC12 links:

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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=0.16600311).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
TTC12	NM_017868.4 linkuse as main transcript	c.26T>G	p.Leu9Trp	missense_variant	2/22	ENST00000529221.6

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
TTC12	ENST00000529221.6 linkuse as main transcript	c.26T>G	p.Leu9Trp	missense_variant	2/22	2	NM_017868.4	A2	Q9H892-1

Frequencies

GnomAD3 genomes

AF:

0.0000854

AC:

AN:

152246

Hom.:

Cov.:

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:

0.000377

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.000132

Gnomad OTH

AF:

0.00

GnomAD3 exomes

AF:

0.000112

AC:

AN:

187194

Hom.:

AF XY:

0.000117

AC XY:

AN XY:

102130

show subpopulations

Gnomad AFR exome

AF:

0.00

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:

0.000308

Gnomad NFE exome

AF:

0.000151

Gnomad OTH exome

AF:

0.000240

GnomAD4 exome

AF:

0.0000507

AC:

AN:

1321710

Hom.:

Cov.:

AF XY:

0.0000598

AC XY:

AN XY:

652288

show subpopulations

Gnomad4 AFR exome

AF:

0.00

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:

0.000289

Gnomad4 NFE exome

AF:

0.0000441

Gnomad4 OTH exome

AF:

0.000111

GnomAD4 genome

AF:

0.0000854

AC:

AN:

152246

Hom.:

Cov.:

AF XY:

0.0000807

AC XY:

AN XY:

74390

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:

0.000377

Gnomad4 NFE

AF:

0.000132

Gnomad4 OTH

AF:

0.00

Alfa

AF:

0.000107

Hom.:

Bravo

AF:

0.0000340

ExAC

AF:

0.000124

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

Inborn genetic diseases

Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Ambry Genetics

Feb 22, 2023

The c.26T>G (p.L9W) alteration is located in exon 2 (coding exon 1) of the TTC12 gene. This alteration results from a T to G substitution at nucleotide position 26, causing the leucine (L) at amino acid position 9 to be replaced by a tryptophan (W). 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

0.29

BayesDel_addAF

Uncertain

0.067

BayesDel_noAF

Uncertain

-0.010

CADD

Pathogenic

DANN

Benign

0.96

Eigen

Uncertain

0.56

Eigen_PC

Uncertain

0.52

FATHMM_MKL

Uncertain

0.82

LIST_S2

Benign

0.19

M_CAP

Benign

0.021

MetaRNN

Benign

0.17

MetaSVM

Benign

-0.75

MutationTaster

Benign

0.56

N;N;N;N

PROVEAN

Benign

0.39

REVEL

Benign

0.14

Sift

Pathogenic

0.0

MVP

0.52

ClinPred

0.31

GERP RS

4.9

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.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over