Genetic Variant NM_213599.3:c.479G>C (chr11-22227417-G-C) – ACMG Classification: Likely_benign (-2 pts)

Variant summary

Our verdict is Likely benign. The variant received -2 ACMG points: 2P and 4B. PM2BP4_Strong

The NM_213599.3(ANO5):c.479G>C(p.Arg160Pro) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000000684 in 1,461,436 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 16/22 in silico tools predict a benign outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar. Another variant affecting the same amino acid position, but resulting in a different missense (i.e. R160H) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

ANO5
NM_213599.3 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.992

Publications

0 publications found

Variant links:

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):

autosomal recessive limb-girdle muscular dystrophy
Inheritance: AR Classification: DEFINITIVE Submitted by: ClinGen
gnathodiaphyseal dysplasia
Inheritance: AD Classification: STRONG, MODERATE, SUPPORTIVE Submitted by: Orphanet, Labcorp Genetics (formerly Invitae), G2P
autosomal recessive limb-girdle muscular dystrophy type 2L
Inheritance: AR Classification: STRONG, SUPPORTIVE, LIMITED Submitted by: Orphanet, Labcorp Genetics (formerly Invitae), G2P
Miyoshi muscular dystrophy 3
Inheritance: AR Classification: STRONG Submitted by: Labcorp Genetics (formerly Invitae)

ANO5 links:

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ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.055887192).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
ANO5	NM_213599.3 link	c.479G>C	p.Arg160Pro	missense_variant	Exon 7 of 22	ENST00000324559.9	NP_998764.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
ANO5	ENST00000324559.9 link	c.479G>C	p.Arg160Pro	missense_variant	Exon 7 of 22	1	NM_213599.3	ENSP00000315371.9

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461436

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

727016

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33442

American (AMR)

AF:

0.00

AC:

AN:

44606

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26118

East Asian (EAS)

AF:

0.0000252

AC:

AN:

39682

South Asian (SAS)

AF:

0.00

AC:

AN:

86258

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53410

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5762

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1111794

Other (OTH)

AF:

0.00

AC:

AN:

60364

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.525

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<30

30-35

35-40

40-45

45-50

50-55

55-60

60-65

65-70

70-75

75-80

>80

Age

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.11

BayesDel_addAF

Benign

-0.22

BayesDel_noAF

Benign

-0.56

CADD

Benign

6.5

(source)

DANN

Benign

0.81

DEOGEN2

Benign

0.12

Eigen

Benign

-0.95

Eigen_PC

Benign

-0.93

FATHMM_MKL

Benign

0.075

LIST_S2

Benign

0.67

M_CAP

Benign

0.020

MetaRNN

Benign

0.056

MetaSVM

Benign

-1.0

MutationAssessor

Benign

0.97

PhyloP100

0.99

PrimateAI

Benign

0.20

PROVEAN

Uncertain

-2.5

REVEL

Benign

0.075

Sift

Benign

0.21

Sift4G

Benign

0.15

Polyphen

0.0

Vest4

0.13

MutPred

0.37

Gain of glycosylation at R160 (P = 0.0176);

MVP

0.13

MPC

0.13

ClinPred

0.068

GERP RS

1.9

Varity_R

0.34

gMVP

0.54

Mutation Taster

=85/15

polymorphism

(source)

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over