chr17-63049777-A-C

Position:

• chr17-63049777-A-C

Variant summary

Our verdict is Benign. Variant got -10 ACMG points: 0P and 10B. BP6_Moderate BS1 BS2

The NM_001394998.1(TANC2):​c.68-24166A>C variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.0017 in 152,308 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 Benign (★).

• Frequency: Genomes: 𝑓 0.0017 (0 hom., cov: 31)
• Consequence: TANC2 NM_001394998.1 intron
• Clinical Significance: Benign criteria provided, single submitter B:1
• Conservation: PhyloP100: 0.469

Genes affected

TANC2 (HGNC:30212): (tetratricopeptide repeat, ankyrin repeat and coiled-coil containing 2) Predicted to be involved in dense core granule cytoskeletal transport; regulation of dendritic spine development; and regulation of dendritic spine morphogenesis. Predicted to act upstream of or within in utero embryonic development. Located in dendritic spine. [provided by Alliance of Genome Resources, Apr 2022]

ACMG classification

Verdict is Benign. Variant got -10 ACMG points.

• BP6: Variant 17-63049777-A-C is Benign according to our data. Variant chr17-63049777-A-C is described in ClinVar as [Benign]. Clinvar id is 2648033.Status of the report is criteria_provided_single_submitter, 1 stars.
• BS1: Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.0017 (259/152308) while in subpopulation AFR AF= 0.00553 (230/41572). AF 95% confidence interval is 0.00495. There are 0 homozygotes in gnomad4. There are 123 alleles in male gnomad4 subpopulation. Median coverage is 31. This position pass quality control queck.
• BS2: High AC in GnomAd4 at 259 AD gene.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
TANC2	NM_001394998.1	c.68-24166A>C		intron_variant		ENST00000689528.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
TANC2	ENST00000689528.1	c.68-24166A>C		intron_variant			NM_001394998.1	P3
TANC2	ENST00000424789.6	c.68-24166A>C		intron_variant		1		A1
TANC2	ENST00000389520.8	c.68-24166A>C		intron_variant		5		A1

Frequencies

GnomAD3 genomes AF: 0.00170 AC: 259 AN: 152190 Hom.: 0 Cov.: 31

Gnomad AFR AF: 0.00555

Gnomad AMI AF: 0.00

Gnomad AMR AF: 0.00164

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: 0.00191

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

GnomAD4 genome AF: 0.00170 AC: 259 AN: 152308 Hom.: 0 Cov.: 31 AF XY: 0.00165 AC XY: 123 AN XY: 74488

Gnomad4 AFR AF: 0.00553

Gnomad4 AMR AF: 0.00163

Gnomad4 ASJ AF: 0.00

Gnomad4 EAS AF: 0.00

Gnomad4 SAS AF: 0.00

Gnomad4 FIN AF: 0.00

Gnomad4 NFE AF: 0.00

Gnomad4 OTH AF: 0.00189

Alfa AF: 0.00166 Hom.: 1

Bravo AF: 0.00220

ClinVar

Significance: Benign

Submissions summary: Benign:1

Revision: criteria provided, single submitter

Submissions by phenotype

not provided Benign:1

Benign, criteria provided, single submitter

clinical testing

CeGaT Center for Human Genetics Tuebingen

Aug 01, 2022

TANC2: BS1, BS2 -

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.87
CADD	Benign	19
DANN	Benign	0.66

Splicing

Name	Calibrated prediction	Score	Prediction
SpliceAI score (max)		0.32		Details are displayed if max score is > 0.2
DS_DG_spliceai		0.32		Position offset: 10

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

LitVar

Other links and lift over

dbSNP: rs186419369; hg19: chr17-61127138;