chr11-26640999-G-A

Position:

• chr11-26640999-G-A

Variant summary

Our verdict is Benign. Variant got -12 ACMG points: 0P and 12B. BP4_Strong BA1

The NM_031418.4(ANO3):​c.2142-897G>A variant causes a intron change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.378 in 151,824 control chromosomes in the GnomAD database, including 11,731 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 0.38 (11731 hom., cov: 31)
• Consequence: ANO3 NM_031418.4 intron
• Clinical Significance: Not reported in ClinVar
• Conservation: PhyloP100: -0.445

Genes affected

ANO3 (HGNC:14004): (anoctamin 3) The protein encoded by this gene belongs to the TMEM16 family of predicted membrane proteins, that are also known as anoctamins. While little is known about the function of this gene, mutations in this gene have been associated with some cases of autosomal dominant craniocervical dystonia. Cells from individuals with a mutation in this gene exhibited abnormalities in endoplasmic reticulum-dependent calcium signaling. Studies in rat show that the rat ortholog of this protein interacts with, and modulates the activity of a sodium-activated potassium channel. Deletion of this gene caused increased pain sensitivity in the rat model system. Alternative splicing results in multiple transcript variants encoding different isoforms. [provided by RefSeq, Aug 2015]

ACMG classification

Verdict is Benign. Variant got -12 ACMG points.

• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.94).
• BA1: GnomAd4 highest subpopulation (SAS) allele frequency at 95% confidence interval = 0.47 is higher than 0.05.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	Protein	UniProt
ANO3	NM_031418.4	c.2142-897G>A		intron_variant		ENST00000256737.8	NP_113606.2

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Protein	Appris	UniProt
ANO3	ENST00000256737.8	c.2142-897G>A		intron_variant		1	NM_031418.4	ENSP00000256737.3
ANO3	ENST00000672621.1	c.2325-897G>A		intron_variant				ENSP00000500506.1
ANO3	ENST00000525139.5	c.2094-897G>A		intron_variant		5		ENSP00000432576.1
ANO3	ENST00000531568.1	c.1704-897G>A		intron_variant		2		ENSP00000432394.1

Frequencies

GnomAD3 genomes AF: 0.379 AC: 57422 AN: 151706 Hom.: 11722 Cov.: 31

Gnomad AFR AF: 0.241

Gnomad AMI AF: 0.363

Gnomad AMR AF: 0.306

Gnomad ASJ AF: 0.440

Gnomad EAS AF: 0.354

Gnomad SAS AF: 0.485

Gnomad FIN AF: 0.382

Gnomad MID AF: 0.436

Gnomad NFE AF: 0.469

Gnomad OTH AF: 0.379

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

GnomAD4 genome AF: 0.378 AC: 57442 AN: 151824 Hom.: 11731 Cov.: 31 AF XY: 0.376 AC XY: 27873 AN XY: 74210

Gnomad4 AFR AF: 0.240

Gnomad4 AMR AF: 0.306

Gnomad4 ASJ AF: 0.440

Gnomad4 EAS AF: 0.354

Gnomad4 SAS AF: 0.487

Gnomad4 FIN AF: 0.382

Gnomad4 NFE AF: 0.469

Gnomad4 OTH AF: 0.381

Alfa AF: 0.441 Hom.: 7865

Bravo AF: 0.364

Asia WGS AF: 0.411 AC: 1426 AN: 3478

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.94
CADD	Benign	8.2
DANN	Benign	0.64

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

Other links and lift over

dbSNP: rs4497357; hg19: chr11-26662546;