3-128879692-A-T

Variant summary

Our verdict is Pathogenic. Variant got 12 ACMG points: 12P and 0B. PVS1PM2PP5_Moderate

The NM_014049.5(ACAD9):c.1A>T(p.Met1?) variant causes a start lost change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000342 in 1,460,074 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a pathogenic outcome for this variant. Variant has been reported in ClinVar as Pathogenic (★).

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 0.0000034 ( 0 hom. )

Consequence

ACAD9
NM_014049.5 start_lost

Scores

Clinical Significance

Pathogenic criteria provided, single submitter P:1

Conservation

PhyloP100: 2.52

Variant links:

Genes affected

ACAD9 (HGNC:21497): (acyl-CoA dehydrogenase family member 9) This gene encodes a member of the acyl-CoA dehydrogenase family. Members of this family of proteins localize to the mitochondria and catalyze the rate-limiting step in the beta-oxidation of fatty acyl-CoA. The encoded protein is specifically active toward palmitoyl-CoA and long-chain unsaturated substrates. Mutations in this gene cause acyl-CoA dehydrogenase family member type 9 deficiency. Alternate splicing results in multiple transcript variants.[provided by RefSeq, Mar 2010]

ACAD9 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Pathogenic. Variant got 12 ACMG points.

PVS1

Start lost variant, no new inframe start found.

PM2

Very rare variant in population databases, with high coverage;

PP5

Variant 3-128879692-A-T is Pathogenic according to our data. Variant chr3-128879692-A-T is described in ClinVar as [Pathogenic]. Clinvar id is 1439431.Status of the report is criteria_provided_single_submitter, 1 stars.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE
ACAD9	NM_014049.5 linkuse as main transcript	c.1A>T	p.Met1?	start_lost	1/18	ENST00000308982.12
ACAD9	NM_001410805.1 linkuse as main transcript	c.-275A>T		5_prime_UTR_variant	1/17
ACAD9	NR_033426.2 linkuse as main transcript	n.73A>T		non_coding_transcript_exon_variant	1/18
ACAD9	XR_427367.4 linkuse as main transcript	n.73A>T		non_coding_transcript_exon_variant	1/11

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
ACAD9	ENST00000308982.12 linkuse as main transcript	c.1A>T	p.Met1?	start_lost	1/18	1	NM_014049.5	P1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD3 exomes

AF:

0.0000120

AC:

AN:

249332

Hom.:

AF XY:

0.0000148

AC XY:

AN XY:

135200

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 SAS exome

AF:

0.00

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000267

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.00000342

AC:

AN:

1460074

Hom.:

Cov.:

AF XY:

0.00000551

AC XY:

AN XY:

726378

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:

0.00

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.00000360

Gnomad4 OTH exome

AF:

0.0000166

GnomAD4 genome

Cov.:

Alfa

AF:

0.0000434

Hom.:

Bravo

AF:

0.00000378

ExAC

AF:

0.0000247

AC:

ClinVar

Significance: Pathogenic

Submissions summary: Pathogenic:1

Revision: criteria provided, single submitter

LINK: link

Submissions by phenotype

not provided

Pathogenic:1

Pathogenic, criteria provided, single submitter

clinical testing

Invitae

Jan 09, 2024

This sequence change affects the initiator methionine of the ACAD9 mRNA. The next in-frame methionine is located at codon 124. This variant is present in population databases (rs773949927, gnomAD 0.003%). Disruption of the initiator codon has been observed in individual(s) with mitochondrial complex I deficiency (PMID: 26669660, 30025539). In at least one individual the data is consistent with being in trans (on the opposite chromosome) from a pathogenic variant. ClinVar contains an entry for this variant (Variation ID: 1439431). This variant disrupts a region of the ACAD9 protein in which other variant(s) (p.Phe44Ile) have been observed in individuals with ACAD9-related conditions (PMID: 21057504). This suggests that this is a clinically significant region of the protein, and that variants that disrupt it are likely to be disease-causing. For these reasons, this variant has been classified as Pathogenic. -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_addAF

Pathogenic

0.47

BayesDel_noAF

Pathogenic

0.51

Cadd

Benign

Dann

Benign

0.87

DEOGEN2

Benign

0.16

T;.

Eigen

Uncertain

0.23

Eigen_PC

Benign

0.22

FATHMM_MKL

Benign

0.73

LIST_S2

Uncertain

0.90

D;D

M_CAP

Pathogenic

0.99

MetaRNN

Pathogenic

0.99

D;D

MetaSVM

Uncertain

0.53

MutationTaster

Benign

1.0

PROVEAN

Benign

-0.30

N;N

REVEL

Uncertain

0.62

Sift

Pathogenic

0.0

D;D

Sift4G

Benign

0.41

T;D

Polyphen

0.70

P;.

Vest4

0.89

MutPred

0.99

Loss of helix (P = 0.0033);Loss of helix (P = 0.0033);

MVP

0.91

ClinPred

0.99

GERP RS

5.3

Varity_R

0.93

gMVP

0.57

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