18-24082852-A-T

Variant names:

• chr18-24082852-A-T
• rs2305024
• NM_001135993.2:c.816-61A>T

Variant summary

Our verdict is Likely benign. The variant received -4 ACMG points: 0P and 4B. BP4_Strong

The NM_001135993.2(TTC39C):​c.816-61A>T variant causes a intron change involving the alteration of a non-conserved nucleotide. In-silico tool predicts a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

• Frequency:
  • Genomes: 𝑓 0.0 (0 hom., cov: 31)
  • Exomes 𝑓: 0.0 (0 hom.)
  • Failed GnomAD Quality Control
• Consequence: TTC39C NM_001135993.2 intron
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 0.792
• Publications: 6 publications found

Genes affected

TTC39C (HGNC:26595): (tetratricopeptide repeat domain 39C) Predicted to be involved in cilium assembly and otolith morphogenesis. [provided by Alliance of Genome Resources, Apr 2022]

ENSG00000265204 (HGNC:):

ACMG classification

Our verdict: Likely_benign. The variant received -4 ACMG points.

• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.82).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_001135993.2. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	TTC39C	NM_001135993.2	MANE Select	c.816-61A>T		intron	N/A	NP_001129465.1	Q8N584-1
	TTC39C	NM_153211.4		c.633-61A>T		intron	N/A	NP_694943.2	Q8N584-2

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	TTC39C	ENST00000317571.8	TSL:1 MANE Select	c.816-61A>T		intron	N/A	ENSP00000323645.3	Q8N584-1
	TTC39C	ENST00000304621.10	TSL:1	c.633-61A>T		intron	N/A	ENSP00000306598.6	Q8N584-2
	TTC39C	ENST00000919100.1		c.816-61A>T		intron	N/A	ENSP00000589159.1

Frequencies

GnomAD3 genomes AF: 0.00 AC: 0 AN: 152022 Hom.: 0 Cov.: 31

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: 0.00

Gnomad OTH AF: 0.00

GnomAD4 exome Data not reliable, filtered out with message: AC0;AS_VQSR AF: 0.00 AC: 0 AN: 1342046 Hom.: 0 AF XY: 0.00 AC XY: 0 AN XY: 657580

African (AFR) AF: 0.00 AC: 0 AN: 30044

American (AMR) AF: 0.00 AC: 0 AN: 32686

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 20940

East Asian (EAS) AF: 0.00 AC: 0 AN: 37820

South Asian (SAS) AF: 0.00 AC: 0 AN: 64952

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 48786

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5260

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 1046626

Other (OTH) AF: 0.00 AC: 0 AN: 54932

GnomAD4 genome Data not reliable, filtered out with message: AC0 AF: 0.00 AC: 0 AN: 152022 Hom.: 0 Cov.: 31 AF XY: 0.00 AC XY: 0 AN XY: 74256

African (AFR) AF: 0.00 AC: 0 AN: 41298

American (AMR) AF: 0.00 AC: 0 AN: 15274

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 3468

East Asian (EAS) AF: 0.00 AC: 0 AN: 5184

South Asian (SAS) AF: 0.00 AC: 0 AN: 4826

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 10618

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 316

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 68036

Other (OTH) AF: 0.00 AC: 0 AN: 2090

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.82
CADD	Benign	2.2
DANN	Benign	0.60
PhyloP100		0.79

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

MaxEntScan Visualizer can be used to analyze the impact of this mutation on the neighboring sequence.

Other links and lift over

dbSNP: rs2305024;

hg19: chr18-21662816;