chr11-43451557-T-C

Variant names:

• chr11-43451557-T-C
• rs17509647
• NM_018259.6:c.3030+292T>C

Variant summary

Our verdict is Benign. The variant received -12 ACMG points: 0P and 12B. BP4_Strong BA1

The NM_018259.6(TTC17):​c.3030+292T>C variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0702 in 152,260 control chromosomes in the GnomAD database, including 566 homozygotes. 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 0.070 (566 hom., cov: 32)
• Consequence: TTC17 NM_018259.6 intron
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: 0.582
• Publications: 1 publications found

Genes affected

TTC17 (HGNC:25596): (tetratricopeptide repeat domain 17) Involved in actin filament polymerization and cilium organization. Located in actin cytoskeleton; cytosol; and plasma membrane. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

Our verdict: Benign. The variant received -12 ACMG points.

• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.76).
• BA1: GnomAd4 highest subpopulation (NFE) allele frequency at 95% confidence interval = 0.105 is higher than 0.05.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_018259.6. 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
	TTC17	NM_018259.6	MANE Select	c.3030+292T>C		intron	N/A	NP_060729.2
	TTC17	NM_001376525.1		c.3201+292T>C		intron	N/A	NP_001363454.1	A0A994J3X0
	TTC17	NM_001376526.1		c.2940+292T>C		intron	N/A	NP_001363455.1

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	TTC17	ENST00000039989.9	TSL:1 MANE Select	c.3030+292T>C		intron	N/A	ENSP00000039989.4	Q96AE7-1
	TTC17	ENST00000867749.1		c.3213+292T>C		intron	N/A	ENSP00000537808.1
	TTC17	ENST00000969881.1		c.3204+292T>C		intron	N/A	ENSP00000639940.1

Frequencies

GnomAD3 genomes AF: 0.0702 AC: 10685 AN: 152142 Hom.: 566 Cov.: 32

Gnomad AFR AF: 0.0170

Gnomad AMI AF: 0.0592

Gnomad AMR AF: 0.0534

Gnomad ASJ AF: 0.0300

Gnomad EAS AF: 0.00115

Gnomad SAS AF: 0.0197

Gnomad FIN AF: 0.139

Gnomad MID AF: 0.00318

Gnomad NFE AF: 0.107

Gnomad OTH AF: 0.0645

We have no GnomAD4 exomes data on this position. Probably position not covered by the project.

GnomAD4 genome AF: 0.0702 AC: 10686 AN: 152260 Hom.: 566 Cov.: 32 AF XY: 0.0690 AC XY: 5135 AN XY: 74444

African (AFR) AF: 0.0169 AC: 704 AN: 41556

American (AMR) AF: 0.0533 AC: 816 AN: 15302

Ashkenazi Jewish (ASJ) AF: 0.0300 AC: 104 AN: 3470

East Asian (EAS) AF: 0.00116 AC: 6 AN: 5190

South Asian (SAS) AF: 0.0199 AC: 96 AN: 4826

European-Finnish (FIN) AF: 0.139 AC: 1470 AN: 10594

Middle Eastern (MID) AF: 0.00342 AC: 1 AN: 292

European-Non Finnish (NFE) AF: 0.107 AC: 7300 AN: 68002

Other (OTH) AF: 0.0638 AC: 135 AN: 2116

Alfa AF: 0.0872 Hom.: 1184

Bravo AF: 0.0601

Asia WGS AF: 0.0120 AC: 42 AN: 3478

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.76
CADD	Benign	14
DANN	Benign	0.85
PhyloP100		0.58
PromoterAI		0.0025	Neutral
Mutation Taster		=100/0	polymorphism (auto)

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

Other links and lift over

dbSNP: rs17509647; hg19: chr11-43473107;