Variant chr15-40405844-G-A details in Genebe, Genetics Data Aggregator

Variant summary

Our verdict is Uncertain significance. Variant got 0 ACMG points: 2P and 2B. PM2BP4_Moderate

The NM_002225.5(IVD):c.17G>A(p.Arg6Gln) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000137 in 1,459,824 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 12/19 in silico tools predict a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★).

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 0.0000014 ( 0 hom. )

Consequence

IVD
NM_002225.5 missense

Scores

Clinical Significance

Uncertain significance criteria provided, single submitter U:2

Conservation

PhyloP100: 2.10

Variant links:

Genes affected

IVD (HGNC:6186): (isovaleryl-CoA dehydrogenase) Isovaleryl-CoA dehydrogenase (IVD) is a mitochondrial matrix enzyme that catalyzes the third step in leucine catabolism. The genetic deficiency of IVD results in an accumulation of isovaleric acid, which is toxic to the central nervous system and leads to isovaleric acidemia. Alternatively spliced transcript variants have been found for this gene. [provided by RefSeq, Aug 2017]

IVD links:

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ACMG classification

Classification made for transcript

Verdict is Uncertain_significance. Variant got 0 ACMG points.

PM2

Very rare variant in population databases, with high coverage;

BP4

Computational evidence support a benign effect (MetaRNN=0.166094).

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
IVD	NM_002225.5 linkuse as main transcript	c.17G>A	p.Arg6Gln	missense_variant	1/12	ENST00000487418.8

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
IVD	ENST00000487418.8 linkuse as main transcript	c.17G>A	p.Arg6Gln	missense_variant	1/12	1	NM_002225.5	P4

Frequencies

GnomAD3 genomes

Cov.:

GnomAD3 exomes

AF:

0.00000401

AC:

AN:

249106

Hom.:

AF XY:

0.00000740

AC XY:

AN XY:

135204

show subpopulations

Gnomad AFR exome

AF:

0.00

Gnomad AMR exome

AF:

0.00

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.0000548

Gnomad SAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000137

AC:

AN:

1459824

Hom.:

Cov.:

AF XY:

0.00000138

AC XY:

AN XY:

725904

show subpopulations

Gnomad4 AFR exome

AF:

0.00

Gnomad4 AMR exome

AF:

0.00

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.0000116

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

9.00e-7

Gnomad4 OTH exome

AF:

0.00

GnomAD4 genome

Cov.:

ExAC

AF:

0.00000824

AC:

ClinVar

Significance: Uncertain significance

Submissions summary: Uncertain:2

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

Isovaleryl-CoA dehydrogenase deficiency

Uncertain:2

Uncertain significance, no assertion criteria provided	clinical testing	Natera, Inc.	Feb 22, 2021	- -
Uncertain significance, criteria provided, single submitter	clinical testing	Labcorp Genetics (formerly Invitae), Labcorp	Sep 07, 2022	This sequence change replaces arginine, which is basic and polar, with glutamine, which is neutral and polar, at codon 9 of the IVD protein (p.Arg9Gln). This variant is present in population databases (rs748160492, gnomAD 0.006%). This variant has not been reported in the literature in individuals affected with IVD-related conditions. ClinVar contains an entry for this variant (Variation ID: 948558). Algorithms developed to predict the effect of missense changes on protein structure and function (SIFT, PolyPhen-2, Align-GVGD) all suggest that this variant is likely to be tolerated. In summary, the available evidence is currently insufficient to determine the role of this variant in disease. Therefore, it has been classified as a Variant of Uncertain Significance. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.14

BayesDel_addAF

Benign

-0.15

BayesDel_noAF

Benign

-0.28

CADD

Benign

DANN

Uncertain

0.99

Eigen

Benign

-0.90

Eigen_PC

Benign

-0.82

FATHMM_MKL

Uncertain

0.80

LIST_S2

Benign

0.61

.;T;T

M_CAP

Uncertain

0.17

MetaRNN

Benign

0.17

T;T;T

MetaSVM

Uncertain

0.23

MutationTaster

Benign

1.0

N;N;N

PrimateAI

Benign

0.45

PROVEAN

Benign

-0.67

.;N;N

REVEL

Uncertain

0.31

Sift

Benign

0.26

.;T;T

Sift4G

Benign

0.19

T;T;T

Vest4

0.22, 0.30

MVP

0.56

MPC

0.38

ClinPred

0.11

GERP RS

2.4

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

2.0

Varity_R

0.034

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

Below is the list of publications found by LitVar. It may be empty.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over