Genetic Variant DIABLO:p.Ile59Leu (chr12-122224520-T-G) – ACMG Classification: Uncertain_significance (0 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_001371333.1(DIABLO):c.175A>C(p.Ile59Leu) 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 1,461,856 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 15/22 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. I59V) has been classified as Likely benign.

Frequency

Genomes: not found (cov: 31)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

DIABLO
NM_001371333.1 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.896

Publications

0 publications found

Variant links:

Genes affected

DIABLO (HGNC:21528): (diablo IAP-binding mitochondrial protein) This gene encodes an inhibitor of apoptosis protein (IAP)-binding protein. The encoded mitochondrial protein enters the cytosol when cells undergo apoptosis, and allows activation of caspases by binding to inhibitor of apoptosis proteins. Overexpression of the encoded protein sensitizes tumor cells to apoptosis. A mutation in this gene is associated with young-adult onset of nonsyndromic deafness-64. Alternative splicing results in multiple transcript variants encoding different isoforms. [provided by RefSeq, May 2013]

DIABLO Gene-Disease associations (from GenCC):

autosomal dominant nonsyndromic hearing loss 64
Inheritance: AD Classification: MODERATE, LIMITED Submitted by: Labcorp Genetics (formerly Invitae), PanelApp Australia
autosomal dominant nonsyndromic hearing loss
Inheritance: AD Classification: SUPPORTIVE Submitted by: Orphanet
nonsyndromic genetic hearing loss
Inheritance: AD Classification: LIMITED Submitted by: ClinGen

DIABLO links:

ENSG00000256861 (HGNC:):

ENSG00000256861 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 0 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.24640203).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
DIABLO	NM_001371333.1 link	c.175A>C	p.Ile59Leu	missense_variant	Exon 2 of 6	ENST00000464942.7	NP_001358262.1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
DIABLO	ENST00000464942.7 link	c.175A>C	p.Ile59Leu	missense_variant	Exon 2 of 6	1	NM_001371333.1	ENSP00000442360.2		Q9NR28-1
ENSG00000256861	ENST00000535844.1 link	n.1595-6123A>C		intron_variant	Intron 12 of 15	2		ENSP00000454454.1		H3BMM5

Frequencies

GnomAD3 genomes

Cov.:

GnomAD2 exomes

AF:

0.00000398

AC:

AN:

251454

AF XY:

0.00000736

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.0000462

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461856

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

727228

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33478

American (AMR)

AF:

0.00

AC:

AN:

44724

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:

86258

European-Finnish (FIN)

AF:

0.0000187

AC:

AN:

53418

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5768

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1111986

Other (OTH)

AF:

0.00

AC:

AN:

60390

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.425

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

0.18

BayesDel_addAF

Benign

0.0018

BayesDel_noAF

Benign

-0.24

CADD

Benign

(source)

DANN

Uncertain

0.98

DEOGEN2

Uncertain

0.47

T;T;.;.

Eigen

Benign

-0.13

Eigen_PC

Benign

-0.14

FATHMM_MKL

Benign

0.44

LIST_S2

Benign

0.78

T;.;T;T

M_CAP

Benign

0.022

MetaRNN

Benign

0.25

T;T;T;T

MetaSVM

Benign

-1.0

MutationAssessor

Uncertain

2.4

M;M;M;.

PhyloP100

0.90

PrimateAI

Benign

0.37

PROVEAN

Benign

-0.92

N;.;N;.

REVEL

Benign

0.28

Sift

Benign

0.10

T;.;T;.

Sift4G

Benign

0.29

T;.;T;.

Polyphen

0.14

B;B;.;.

Vest4

0.40

MutPred

0.61

Gain of catalytic residue at I59 (P = 0.0174);Gain of catalytic residue at I59 (P = 0.0174);Gain of catalytic residue at I59 (P = 0.0174);Gain of catalytic residue at I59 (P = 0.0174);

MVP

0.57

MPC

0.035

ClinPred

0.30

GERP RS

4.2

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.2

Varity_R

0.48

gMVP

0.091

Mutation Taster

=78/22

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.020

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

ClinVar

Computational scores

Splicing

Publications

Other links and lift over