rs368949613

Variant summary

Our verdict is Pathogenic. Variant got 14 ACMG points: 14P and 0B. PM2PP3_StrongPP5_Very_Strong

The NM_014049.5(ACAD9):​c.1249C>T​(p.Arg417Cys) 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 1,461,820 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 Likely pathogenic (★★).

Frequency

Genomes: not found (cov: 33)
Exomes 𝑓: 0.0000014 ( 0 hom. )

Consequence

ACAD9
NM_014049.5 missense

Scores

15
3
1

Clinical Significance

Pathogenic/Likely pathogenic criteria provided, multiple submitters, no conflicts P:4

Conservation

PhyloP100: 1.78
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]

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Pathogenic. Variant got 14 ACMG points.

PM2
Very rare variant in population databases, with high coverage;
PP3
MetaRNN computational evidence supports a deleterious effect, 0.992
PP5
Variant 3-128906220-C-T is Pathogenic according to our data. Variant chr3-128906220-C-T is described in ClinVar as [Likely_pathogenic]. Clinvar id is 30880.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect #exon/exons MANE Protein UniProt
ACAD9NM_014049.5 linkc.1249C>T p.Arg417Cys missense_variant 12/18 ENST00000308982.12 NP_054768.2 Q9H845
ACAD9NM_001410805.1 linkc.880C>T p.Arg294Cys missense_variant 11/17 NP_001397734.1
ACAD9XM_024453484.2 linkc.880C>T p.Arg294Cys missense_variant 12/18 XP_024309252.1
ACAD9NR_033426.2 linkn.1497C>T non_coding_transcript_exon_variant 12/18

Ensembl

Gene Transcript HGVSc HGVSp Effect #exon/exons TSL MANE Protein Appris UniProt
ACAD9ENST00000308982.12 linkc.1249C>T p.Arg417Cys missense_variant 12/181 NM_014049.5 ENSP00000312618.7 Q9H845

Frequencies

GnomAD3 genomes
Cov.:
33
GnomAD3 exomes
AF:
0.00000398
AC:
1
AN:
251352
Hom.:
0
AF XY:
0.00
AC XY:
0
AN XY:
135892
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:
0.00000880
Gnomad OTH exome
AF:
0.00
GnomAD4 exome
AF:
0.00000137
AC:
2
AN:
1461820
Hom.:
0
Cov.:
32
AF XY:
0.00
AC XY:
0
AN XY:
727218
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:
0.00000180
Gnomad4 OTH exome
AF:
0.00
GnomAD4 genome
Cov.:
33
Alfa
AF:
0.000142
Hom.:
0
ESP6500AA
AF:
0.00
AC:
0
ESP6500EA
AF:
0.000116
AC:
1
ExAC
AF:
0.00000824
AC:
1

ClinVar

Significance: Pathogenic/Likely pathogenic
Submissions summary: Pathogenic:4
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

Acyl-CoA dehydrogenase 9 deficiency Pathogenic:2
Pathogenic, no assertion criteria providedliterature onlyOMIMDec 01, 2010- -
Pathogenic, criteria provided, single submitterclinical testingBaylor GeneticsFeb 20, 2023- -
Mitochondrial complex I deficiency Pathogenic:1
Likely pathogenic, criteria provided, single submitterclinical testingWomen's Health and Genetics/Laboratory Corporation of America, LabCorpMay 15, 2023Variant summary: ACAD9 c.1249C>T (p.Arg417Cys) results in a non-conservative amino acid change located in the Acyl-CoA dehydrogenase-like, C-terminal domain (IPR036250) of the encoded protein sequence. Five of five in-silico tools predict a damaging effect of the variant on protein function. The variant allele was found at a frequency of 4e-06 in 251352 control chromosomes (gnomAD). c.1249C>T has been reported in the literature in individuals affected with Mitochondrial Complex I Deficiency (example: Lagoutte-Renosi_2015, Haack_2010, Repp_2018). These data indicate that the variant may be associated with disease. At least one publication reports experimental evidence evaluating an impact on protein function. The most pronounced variant effect results in <10% of normal activity (example: Schiff_2015). The following publications have been ascertained in the context of this evaluation (PMID: 30025539, 21057504, 26475292, 25721401). One clinical diagnostic laboratory has submitted clinical-significance assessments for this variant to ClinVar after 2014 and classified the variant as pathogenic. Based on the evidence outlined above, the variant was classified as likely pathogenic. -
not provided Pathogenic:1
Pathogenic, criteria provided, single submitterclinical testingLabcorp Genetics (formerly Invitae), LabcorpOct 22, 2023This sequence change replaces arginine, which is basic and polar, with cysteine, which is neutral and slightly polar, at codon 417 of the ACAD9 protein (p.Arg417Cys). The frequency data for this variant in the population databases is considered unreliable, as metrics indicate poor data quality at this position in the gnomAD database. This missense change has been observed in individual(s) with mitochondrial complex I deficiency (PMID: 21057504, 26475292, 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: 30880). Advanced modeling of protein sequence and biophysical properties (such as structural, functional, and spatial information, amino acid conservation, physicochemical variation, residue mobility, and thermodynamic stability) performed at Invitae indicates that this missense variant is expected to disrupt ACAD9 protein function. Experimental studies have shown that this missense change affects ACAD9 function (PMID: 25721401). For these reasons, this variant has been classified as Pathogenic. -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Pathogenic
0.84
BayesDel_addAF
Pathogenic
0.54
D
BayesDel_noAF
Pathogenic
0.54
CADD
Pathogenic
29
DANN
Pathogenic
1.0
DEOGEN2
Pathogenic
0.94
D
Eigen
Pathogenic
0.77
Eigen_PC
Uncertain
0.65
FATHMM_MKL
Uncertain
0.84
D
LIST_S2
Pathogenic
0.99
D
M_CAP
Pathogenic
0.73
D
MetaRNN
Pathogenic
0.99
D
MetaSVM
Pathogenic
1.1
D
MutationAssessor
Pathogenic
3.9
H
PrimateAI
Uncertain
0.63
T
PROVEAN
Pathogenic
-7.8
D
REVEL
Pathogenic
0.95
Sift
Pathogenic
0.0
D
Sift4G
Pathogenic
0.0
D
Polyphen
1.0
D
Vest4
0.99
MVP
0.99
MPC
0.87
ClinPred
1.0
D
GERP RS
4.8
Varity_R
0.94
gMVP
0.96

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.

Other links and lift over

dbSNP: rs368949613; hg19: chr3-128625063; API