10-60196253-C-T

Position:

• chr10-60196253-C-T

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2 BP4 BP6

The NM_020987.5(ANK3):​c.1789-10G>A variant causes a splice polypyrimidine tract, intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000109 in 1,611,798 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 Conflicting classifications of pathogenicity (no stars).

• Frequency:
  • Genomes: 𝑓 0.00016 (0 hom., cov: 32)
  • Exomes 𝑓: 0.00010 (0 hom.)
• Consequence: ANK3 NM_020987.5 splice_polypyrimidine_tract, intron
• Scores: Splicing: ADA: 0.3126
• Clinical Significance: Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:1 B:1
• Conservation: PhyloP100: 0.951

Genes affected

ANK3 (HGNC:494): (ankyrin 3) Ankyrins are a family of proteins that are believed to link the integral membrane proteins to the underlying spectrin-actin cytoskeleton and play key roles in activities such as cell motility, activation, proliferation, contact, and the maintenance of specialized membrane domains. Multiple isoforms of ankyrin with different affinities for various target proteins are expressed in a tissue-specific, developmentally regulated manner. Most ankyrins are typically composed of three structural domains: an amino-terminal domain containing multiple ankyrin repeats; a central region with a highly conserved spectrin binding domain; and a carboxy-terminal regulatory domain which is the least conserved and subject to variation. Ankyrin 3 is an immunologically distinct gene product from ankyrins 1 and 2, and was originally found at the axonal initial segment and nodes of Ranvier of neurons in the central and peripheral nervous systems. Multiple transcript variants encoding different isoforms have been found for this gene.[provided by RefSeq, Feb 2011]

ACMG classification

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 (BayesDel_noAF=-0.18).
• BP6: Variant 10-60196253-C-T is Benign according to our data. Variant chr10-60196253-C-T is described in ClinVar as [Conflicting_classifications_of_pathogenicity]. Clinvar id is 434177.We mark this variant Likely_benign, oryginal submissions are: {Likely_benign=1, Uncertain_significance=1}.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
ANK3	NM_020987.5	c.1789-10G>A		splice_polypyrimidine_tract_variant, intron_variant		ENST00000280772.7
ANK3	NM_001204403.2	c.1771-10G>A		splice_polypyrimidine_tract_variant, intron_variant
ANK3	NM_001204404.2	c.1738-10G>A		splice_polypyrimidine_tract_variant, intron_variant
ANK3	NM_001320874.2	c.1789-10G>A		splice_polypyrimidine_tract_variant, intron_variant

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
ANK3	ENST00000280772.7	c.1789-10G>A		splice_polypyrimidine_tract_variant, intron_variant		1	NM_020987.5

Frequencies

GnomAD3 genomes AF: 0.000151 AC: 23 AN: 152150 Hom.: 0 Cov.: 32

Gnomad AFR AF: 0.0000483

Gnomad AMI AF: 0.00

Gnomad AMR AF: 0.0000654

Gnomad ASJ AF: 0.00

Gnomad EAS AF: 0.00

Gnomad SAS AF: 0.000207

Gnomad FIN AF: 0.00

Gnomad MID AF: 0.00641

Gnomad NFE AF: 0.000191

Gnomad OTH AF: 0.00191

GnomAD3 exomes AF: 0.000125 AC: 31 AN: 248772 Hom.: 0 AF XY: 0.000149 AC XY: 20 AN XY: 134422

Gnomad AFR exome AF: 0.000248

Gnomad AMR exome AF: 0.0000874

Gnomad ASJ exome AF: 0.0000997

Gnomad EAS exome AF: 0.00

Gnomad SAS exome AF: 0.0000330

Gnomad FIN exome AF: 0.00

Gnomad NFE exome AF: 0.000160

Gnomad OTH exome AF: 0.000659

GnomAD4 exome AF: 0.000103 AC: 151 AN: 1459530 Hom.: 0 Cov.: 30 AF XY: 0.000118 AC XY: 86 AN XY: 726080

Gnomad4 AFR exome AF: 0.000179

Gnomad4 AMR exome AF: 0.0000448

Gnomad4 ASJ exome AF: 0.00

Gnomad4 EAS exome AF: 0.0000252

Gnomad4 SAS exome AF: 0.0000465

Gnomad4 FIN exome AF: 0.00

Gnomad4 NFE exome AF: 0.0000946

Gnomad4 OTH exome AF: 0.000315

GnomAD4 genome AF: 0.000158 AC: 24 AN: 152268 Hom.: 0 Cov.: 32 AF XY: 0.000134 AC XY: 10 AN XY: 74448

Gnomad4 AFR AF: 0.0000481

Gnomad4 AMR AF: 0.0000654

Gnomad4 ASJ AF: 0.00

Gnomad4 EAS AF: 0.00

Gnomad4 SAS AF: 0.000207

Gnomad4 FIN AF: 0.00

Gnomad4 NFE AF: 0.000191

Gnomad4 OTH AF: 0.00189

Alfa AF: 0.000304 Hom.: 0

Bravo AF: 0.000140

Asia WGS AF: 0.000289 AC: 1 AN: 3478

ClinVar

Significance: Conflicting classifications of pathogenicity

Submissions summary: Uncertain:1 Benign:1

Revision: criteria provided, conflicting classifications

Submissions by phenotype

not specified Uncertain:1

Uncertain significance, criteria provided, single submitter

clinical testing

Genetic Services Laboratory, University of Chicago

Nov 19, 2015

- -

not provided Benign:1

Likely benign, criteria provided, single submitter

clinical testing

Invitae

Nov 14, 2023

- -

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.18
CADD	Benign	17
DANN	Benign	0.87

Splicing

Name	Calibrated prediction	Score	Prediction
dbscSNV1_ADA	Benign	0.31
dbscSNV1_RF	Benign	0.32
SpliceAI score (max)		0.050		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

Other links and lift over

dbSNP: rs200791367; hg19: chr10-61956011;