chr11-22279669-C-T

Variant names:

• chr11-22279669-C-T
• rs34969327
• NM_213599.3:c.2646C>T

Variant summary

Our verdict is Likely benign. The variant received -6 ACMG points: 0P and 6B. BP4_Strong BP6 BP7

The NM_213599.3(ANO5):​c.2646C>T​(p.Asn882Asn) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000496 in 1,612,652 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). The gene ANO5 is included in the ClinGen Criteria Specification Registry.

• Frequency:
  • Genomes: 𝑓 0.000013 (0 hom., cov: 32)
  • Exomes 𝑓: 0.0000041 (0 hom.)
• Consequence: ANO5 NM_213599.3 synonymous
• Clinical Significance: Conflicting classifications of pathogenicity criteria provided, conflicting classifications U:1 B:1
• Conservation: PhyloP100: -0.286
• Publications: 8 publications found

Genes affected

ANO5 (HGNC:27337): (anoctamin 5) This gene encodes a member of the anoctamin family of transmembrane proteins. The encoded protein is likely a calcium activated chloride channel. Mutations in this gene have been associated with gnathodiaphyseal dysplasia. Alternatively spliced transcript variants have been described. [provided by RefSeq, Nov 2009]

ANO5 Gene-Disease associations (from GenCC):

• gnathodiaphyseal dysplasia

  Inheritance: AD Classification: DEFINITIVE, STRONG, MODERATE, SUPPORTIVE Submitted by: ClinGen, Labcorp Genetics (formerly Invitae), G2P, Orphanet
• autosomal recessive limb-girdle muscular dystrophy

  Inheritance: AR Classification: DEFINITIVE Submitted by: ClinGen
• autosomal recessive limb-girdle muscular dystrophy type 2L

  Inheritance: AR Classification: STRONG, SUPPORTIVE, LIMITED Submitted by: G2P, Labcorp Genetics (formerly Invitae), Orphanet
• Miyoshi muscular dystrophy 3

  Inheritance: AR Classification: STRONG Submitted by: Labcorp Genetics (formerly Invitae)

ACMG classification

Specifications for ANO5 are available in the ClinGen Criteria Specification Registry and recommended for reference when assigning criteria.

Our verdict: Likely_benign. The variant received -6 ACMG points.

• BP4: Computational evidence support a benign effect (BayesDel_noAF=-0.59).
• BP6: Variant 11-22279669-C-T is Benign according to our data. Variant chr11-22279669-C-T is described in ClinVar as Conflicting_classifications_of_pathogenicity. ClinVar VariationId is 498381.
• BP7: Synonymous conserved (PhyloP=-0.286 with no splicing effect.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_213599.3. 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
	ANO5	NM_213599.3	MANE Select	c.2646C>T	p.Asn882Asn	synonymous	Exon 22 of 22	NP_998764.1	Q75V66
	ANO5	NM_001142649.2		c.2643C>T	p.Asn881Asn	synonymous	Exon 22 of 22	NP_001136121.1
	ANO5	NM_001410963.1		c.2604C>T	p.Asn868Asn	synonymous	Exon 21 of 21	NP_001397892.1	A0A804HL91

Ensembl Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	ANO5	ENST00000324559.9	TSL:1 MANE Select	c.2646C>T	p.Asn882Asn	synonymous	Exon 22 of 22	ENSP00000315371.9	Q75V66
	ANO5	ENST00000682341.1		c.2604C>T	p.Asn868Asn	synonymous	Exon 21 of 21	ENSP00000508251.1	A0A804HL91
	ANO5	ENST00000684663.1		c.2601C>T	p.Asn867Asn	synonymous	Exon 21 of 21	ENSP00000508009.1	A0A804HKP2

Frequencies

GnomAD3 genomes AF: 0.0000132 AC: 2 AN: 151720 Hom.: 0 Cov.: 32

Gnomad AFR AF: 0.0000484

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

GnomAD2 exomes AF: 0.0000120 AC: 3 AN: 250920 AF XY: 0.0000147

Gnomad AFR exome AF: 0.0000617

Gnomad AMR exome AF: 0.00

Gnomad ASJ exome AF: 0.00

Gnomad EAS exome AF: 0.000109

Gnomad FIN exome AF: 0.00

Gnomad NFE exome AF: 0.00

Gnomad OTH exome AF: 0.00

GnomAD4 exome AF: 0.00000411 AC: 6 AN: 1460932 Hom.: 0 Cov.: 32 AF XY: 0.00000413 AC XY: 3 AN XY: 726722

African (AFR) AF: 0.0000897 AC: 3 AN: 33452

American (AMR) AF: 0.00 AC: 0 AN: 44616

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 26100

East Asian (EAS) AF: 0.0000252 AC: 1 AN: 39666

South Asian (SAS) AF: 0.0000116 AC: 1 AN: 86236

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 53392

Middle Eastern (MID) AF: 0.00 AC: 0 AN: 5758

European-Non Finnish (NFE) AF: 9.00e-7 AC: 1 AN: 1111362

Other (OTH) AF: 0.00 AC: 0 AN: 60350

GnomAD4 genome AF: 0.0000132 AC: 2 AN: 151720 Hom.: 0 Cov.: 32 AF XY: 0.0000135 AC XY: 1 AN XY: 74110

African (AFR) AF: 0.0000484 AC: 2 AN: 41350

American (AMR) AF: 0.00 AC: 0 AN: 15218

Ashkenazi Jewish (ASJ) AF: 0.00 AC: 0 AN: 3458

East Asian (EAS) AF: 0.00 AC: 0 AN: 5188

South Asian (SAS) AF: 0.00 AC: 0 AN: 4820

European-Finnish (FIN) AF: 0.00 AC: 0 AN: 10590

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

European-Non Finnish (NFE) AF: 0.00 AC: 0 AN: 67782

Other (OTH) AF: 0.00 AC: 0 AN: 2086

Alfa AF: 0.00 Hom.: 0

ClinVar

ClinVar submissions

Significance: Conflicting classifications of pathogenicity

Revision: criteria provided, conflicting classifications

Pathogenic	VUS	Benign	Condition
-	-	1	Gnathodiaphyseal dysplasia;C1969785:Autosomal recessive limb-girdle muscular dystrophy type 2L (1)
-	1	-	not provided (1)

Computational scores

Source: dbNSFP v4.9

Name	Calibrated prediction	Score	Prediction
BayesDel_noAF	Benign	-0.59
CADD	Benign	2.0
DANN	Benign	0.61
PhyloP100		-0.29

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: rs34969327; hg19: chr11-22301215;