rs115532916

Variant summary

Our verdict is Benign. The variant received -18 ACMG points: 2P and 20B. PM5BP4_StrongBP6_Very_StrongBS1BS2

The NM_014049.5(ACAD9):​c.976G>A​(p.Ala326Thr) variant causes a missense change. The variant allele was found at a frequency of 0.0181 in 1,614,070 control chromosomes in the GnomAD database, including 411 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. A326P) has been classified as Likely pathogenic.

Frequency

Genomes: 𝑓 0.017 ( 48 hom., cov: 33)
Exomes 𝑓: 0.018 ( 363 hom. )

Consequence

ACAD9
NM_014049.5 missense

Scores

7
8
3

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:12

Conservation

PhyloP100: 7.03

Publications

26 publications found
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 Gene-Disease associations (from GenCC):
  • acyl-CoA dehydrogenase 9 deficiency
    Inheritance: AR Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: G2P, ClinGen, Orphanet, Labcorp Genetics (formerly Invitae), PanelApp Australia

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Benign. The variant received -18 ACMG points.

PM5
Other missense variant is known to change same aminoacid residue: Variant chr3-128904079-G-C is described in ClinVar as Pathogenic/Likely_pathogenic. ClinVar VariationId is 30883.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BP4
Computational evidence support a benign effect (MetaRNN=0.009568185).
BP6
Variant 3-128904079-G-A is Benign according to our data. Variant chr3-128904079-G-A is described in ClinVar as Benign/Likely_benign. ClinVar VariationId is 136253.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.
BS1
Variant frequency is greater than expected in population nfe. GnomAd4 allele frequency = 0.0172 (2615/152298) while in subpopulation NFE AF = 0.0251 (1704/68020). AF 95% confidence interval is 0.0241. There are 48 homozygotes in GnomAd4. There are 1288 alleles in the male GnomAd4 subpopulation. Median coverage is 33. This position passed quality control check.
BS2
High Homozygotes in GnomAd4 at 48 AR gene

Transcripts

RefSeq

Gene Transcript HGVSc HGVSp Effect Exon rank MANE Protein UniProt
ACAD9NM_014049.5 linkc.976G>A p.Ala326Thr missense_variant Exon 10 of 18 ENST00000308982.12 NP_054768.2 Q9H845

Ensembl

Gene Transcript HGVSc HGVSp Effect Exon rank TSL MANE Protein Appris UniProt
ACAD9ENST00000308982.12 linkc.976G>A p.Ala326Thr missense_variant Exon 10 of 18 1 NM_014049.5 ENSP00000312618.7 Q9H845

Frequencies

GnomAD3 genomes
AF:
0.0172
AC:
2617
AN:
152178
Hom.:
48
Cov.:
33
show subpopulations
Gnomad AFR
AF:
0.00275
Gnomad AMI
AF:
0.00
Gnomad AMR
AF:
0.0107
Gnomad ASJ
AF:
0.0222
Gnomad EAS
AF:
0.00
Gnomad SAS
AF:
0.00580
Gnomad FIN
AF:
0.0455
Gnomad MID
AF:
0.0253
Gnomad NFE
AF:
0.0250
Gnomad OTH
AF:
0.0186
GnomAD2 exomes
AF:
0.0177
AC:
4446
AN:
251452
AF XY:
0.0182
show subpopulations
Gnomad AFR exome
AF:
0.00332
Gnomad AMR exome
AF:
0.00642
Gnomad ASJ exome
AF:
0.0255
Gnomad EAS exome
AF:
0.0000544
Gnomad FIN exome
AF:
0.0453
Gnomad NFE exome
AF:
0.0231
Gnomad OTH exome
AF:
0.0256
GnomAD4 exome
AF:
0.0182
AC:
26626
AN:
1461772
Hom.:
363
Cov.:
31
AF XY:
0.0183
AC XY:
13297
AN XY:
727184
show subpopulations
African (AFR)
AF:
0.00281
AC:
94
AN:
33476
American (AMR)
AF:
0.00789
AC:
353
AN:
44724
Ashkenazi Jewish (ASJ)
AF:
0.0243
AC:
636
AN:
26134
East Asian (EAS)
AF:
0.000101
AC:
4
AN:
39698
South Asian (SAS)
AF:
0.00489
AC:
422
AN:
86258
European-Finnish (FIN)
AF:
0.0456
AC:
2433
AN:
53412
Middle Eastern (MID)
AF:
0.0246
AC:
142
AN:
5768
European-Non Finnish (NFE)
AF:
0.0193
AC:
21417
AN:
1111910
Other (OTH)
AF:
0.0186
AC:
1125
AN:
60392
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.462
Heterozygous variant carriers
0
1430
2859
4289
5718
7148
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Exome Het
Exome Hom
Variant carriers
0
656
1312
1968
2624
3280
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
GnomAD4 genome
AF:
0.0172
AC:
2615
AN:
152298
Hom.:
48
Cov.:
33
AF XY:
0.0173
AC XY:
1288
AN XY:
74470
show subpopulations
African (AFR)
AF:
0.00274
AC:
114
AN:
41570
American (AMR)
AF:
0.0107
AC:
163
AN:
15298
Ashkenazi Jewish (ASJ)
AF:
0.0222
AC:
77
AN:
3472
East Asian (EAS)
AF:
0.00
AC:
0
AN:
5186
South Asian (SAS)
AF:
0.00559
AC:
27
AN:
4826
European-Finnish (FIN)
AF:
0.0455
AC:
483
AN:
10606
Middle Eastern (MID)
AF:
0.0272
AC:
8
AN:
294
European-Non Finnish (NFE)
AF:
0.0251
AC:
1704
AN:
68020
Other (OTH)
AF:
0.0184
AC:
39
AN:
2114
Allele Balance Distribution
Red line indicates average allele balance
Average allele balance: 0.499
Heterozygous variant carriers
0
133
265
398
530
663
0.00
0.20
0.40
0.60
0.80
0.95
Allele balance

Age Distribution

Genome Het
Genome Hom
Variant carriers
0
34
68
102
136
170
<30
30-35
35-40
40-45
45-50
50-55
55-60
60-65
65-70
70-75
75-80
>80
Age
Alfa
AF:
0.0198
Hom.:
126
Bravo
AF:
0.0131
TwinsUK
AF:
0.0113
AC:
42
ALSPAC
AF:
0.0143
AC:
55
ESP6500AA
AF:
0.00227
AC:
10
ESP6500EA
AF:
0.0219
AC:
188
ExAC
AF:
0.0182
AC:
2213
Asia WGS
AF:
0.00260
AC:
9
AN:
3478
EpiCase
AF:
0.0238
EpiControl
AF:
0.0217

ClinVar

Significance: Benign/Likely benign
Submissions summary: Benign:12
Revision: criteria provided, multiple submitters, no conflicts
LINK: link

Submissions by phenotype

not specified Benign:5
Dec 10, 2021
Women's Health and Genetics/Laboratory Corporation of America, LabCorp
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Jul 20, 2012
GeneDx
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

This variant is considered likely benign or benign based on one or more of the following criteria: it is a conservative change, it occurs at a poorly conserved position in the protein, it is predicted to be benign by multiple in silico algorithms, and/or has population frequency not consistent with disease. -

-
Genome Diagnostics Laboratory, University Medical Center Utrecht
Significance:Benign
Review Status:no assertion criteria provided
Collection Method:clinical testing

- -

-
Diagnostic Laboratory, Department of Genetics, University Medical Center Groningen
Significance:Benign
Review Status:no assertion criteria provided
Collection Method:clinical testing

- -

Feb 16, 2025
Laboratory of Genetics, Children's Clinical University Hospital Latvia
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Acyl-CoA dehydrogenase 9 deficiency Benign:5
Oct 23, 2023
ARUP Laboratories, Molecular Genetics and Genomics, ARUP Laboratories
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Mar 06, 2018
Illumina Laboratory Services, Illumina
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

This variant was observed in the ICSL laboratory as part of a predisposition screen in an ostensibly healthy population. It had not been previously curated by ICSL or reported in the Human Gene Mutation Database (HGMD: prior to June 1st, 2018), and was therefore a candidate for classification through an automated scoring system. Utilizing variant allele frequency, disease prevalence and penetrance estimates, and inheritance mode, an automated score was calculated to assess if this variant is too frequent to cause the disease. Based on the score and internal cut-off values, a variant classified as benign is not then subjected to further curation. The score for this variant resulted in a classification of benign for this disease. -

Mar 11, 2025
SIB Swiss Institute of Bioinformatics
Significance:Likely benign
Review Status:criteria provided, single submitter
Collection Method:curation

This variant is interpreted as likely benign for Mitochondrial complex I deficiency due to ACAD9 deficiency, autosomal recessive. This variant is found in population databases (gnomAD v4.1.0) at a frequency greater than expected for the disorder (BS1) and is observed at homozygosity in 411 individuals in gnomAD v4.1.0 (BS2_supporting). -

Sep 16, 2020
Natera, Inc.
Significance:Benign
Review Status:no assertion criteria provided
Collection Method:clinical testing

- -

May 18, 2021
Genome-Nilou Lab
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

not provided Benign:2
Feb 03, 2025
Labcorp Genetics (formerly Invitae), Labcorp
Significance:Benign
Review Status:criteria provided, single submitter
Collection Method:clinical testing

- -

Oct 31, 2017
Mayo Clinic Laboratories, Mayo Clinic
Significance:Benign
Review Status:no assertion criteria provided
Collection Method:clinical testing

- -

Computational scores

Source: dbNSFP v4.3

Name
Calibrated prediction
Score
Prediction
AlphaMissense
Benign
0.26
BayesDel_addAF
Uncertain
0.079
D
BayesDel_noAF
Pathogenic
0.37
CADD
Pathogenic
27
DANN
Pathogenic
1.0
DEOGEN2
Pathogenic
0.83
D
Eigen
Pathogenic
0.83
Eigen_PC
Pathogenic
0.80
FATHMM_MKL
Pathogenic
0.99
D
LIST_S2
Uncertain
0.96
D
MetaRNN
Benign
0.0096
T
MetaSVM
Uncertain
0.74
D
MutationAssessor
Uncertain
2.2
M
PhyloP100
7.0
PrimateAI
Uncertain
0.52
T
PROVEAN
Uncertain
-3.8
D
REVEL
Pathogenic
0.87
Sift
Uncertain
0.0030
D
Sift4G
Uncertain
0.0050
D
Polyphen
1.0
D
Vest4
0.24
MPC
0.71
ClinPred
0.012
T
GERP RS
5.5
Varity_R
0.71
gMVP
0.91
Mutation Taster
=81/19
polymorphism (auto)

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

Other links and lift over

dbSNP: rs115532916; hg19: chr3-128622922; COSMIC: COSV58307871; COSMIC: COSV58307871; API