dbSNP rs1893777818: INO80:p.Gly1501Cys (chr15-40980393-C-A) – ACMG Classification: Uncertain_significance (2 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 2 ACMG points: 2P and 0B. PM2

The NM_017553.3(INO80):c.4501G>T(p.Gly1501Cys) 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 1,461,578 control chromosomes in the GnomAD database, with no homozygous occurrence. 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. G1501S) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

INO80
NM_017553.3 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 3.15

Publications

0 publications found

Variant links:

Genes affected

INO80 (HGNC:26956): (INO80 complex ATPase subunit) This gene encodes a subunit of the chromatin remodeling complex, which is classified into subfamilies depending on sequence features apart from the conserved ATPase domain. This protein is the catalytic ATPase subunit of the INO80 chromatin remodeling complex, which is characterized by a DNA-binding domain. This protein is proposed to bind DNA and be recruited by the YY1 transcription factor to activate certain genes. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Aug 2013]

INO80 Gene-Disease associations (from GenCC):

immunodeficiency, common variable, 1
Inheritance: AR Classification: NO_KNOWN Submitted by: ClinGen

INO80 links:

LOC124903476 (HGNC:):

LOC124903476 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 2 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
INO80	NM_017553.3 link	c.4501G>T	p.Gly1501Cys	missense_variant	Exon 36 of 36	ENST00000648947.1	NP_060023.1	Q9ULG1A0A024R9R7

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
INO80	ENST00000648947.1 link	c.4501G>T	p.Gly1501Cys	missense_variant	Exon 36 of 36		NM_017553.3	ENSP00000497609.1		Q9ULG1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461578

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

727104

show subpopulations

⚠️ The allele balance in gnomAD version 4 Exomes is significantly skewed from the expected value of 0.5.

African (AFR)

AF:

0.00

AC:

AN:

33468

American (AMR)

AF:

0.00

AC:

AN:

44720

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26134

East Asian (EAS)

AF:

0.00

AC:

AN:

39700

South Asian (SAS)

AF:

0.00

AC:

AN:

86232

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53410

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5534

European-Non Finnish (NFE)

AF:

8.99e-7

AC:

AN:

1112002

Other (OTH)

AF:

0.00

AC:

AN:

60378

⚠️ The allele balance in gnomAD4 Exomes is highly skewed from 0.5 (p-value = 0.000000), which strongly suggests a high chance of mosaicism in these individuals.

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.375

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

GnomAD4 genome

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.13

BayesDel_addAF

Pathogenic

0.38

BayesDel_noAF

Pathogenic

0.30

CADD

Uncertain

(source)

DANN

Uncertain

0.99

DEOGEN2

Benign

0.21

T;T;T

Eigen

Uncertain

0.35

Eigen_PC

Uncertain

0.39

FATHMM_MKL

Uncertain

0.93

LIST_S2

Benign

0.81

.;.;T

M_CAP

Uncertain

0.086

MetaRNN

Uncertain

0.60

D;D;D

MetaSVM

Uncertain

0.40

MutationAssessor

Benign

0.55

N;N;N

PhyloP100

3.2

PrimateAI

Uncertain

0.73

PROVEAN

Benign

-2.2

.;N;N

REVEL

Uncertain

0.49

Sift

Uncertain

0.0090

.;D;D

Sift4G

Uncertain

0.042

.;D;D

Polyphen

1.0

D;D;D

Vest4

0.49, 0.54

MutPred

0.24

Loss of catalytic residue at A1500 (P = 0.1025);Loss of catalytic residue at A1500 (P = 0.1025);Loss of catalytic residue at A1500 (P = 0.1025);

MVP

0.92

MPC

0.98

ClinPred

0.86

GERP RS

4.5

Varity_R

0.21

gMVP

0.61

Mutation Taster

=62/38

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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rs1893777818

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