chr12-120737079-A-T

Variant names:

Variant summary

Our verdict is Uncertain significance. The variant received 4 ACMG points: 5P and 1B. PM1PM2PP2BP4

The NM_000017.4(ACADS):c.304A>T(p.Met102Leu) variant causes a missense change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00000138 in 1,450,054 control chromosomes in the GnomAD database, with no homozygous occurrence. In-silico tool predicts a benign outcome for this variant. 13/22 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. M102V) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 0.0000014 ( 0 hom. )

Consequence

ACADS
NM_000017.4 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 1.12

Publications

0 publications found

Variant links:

Genes affected

ACADS (HGNC:90): (acyl-CoA dehydrogenase short chain) This gene encodes a tetrameric mitochondrial flavoprotein, which is a member of the acyl-CoA dehydrogenase family. This enzyme catalyzes the initial step of the mitochondrial fatty acid beta-oxidation pathway. Mutations in this gene have been associated with short-chain acyl-CoA dehydrogenase (SCAD) deficiency. Alternative splicing results in two variants which encode different isoforms. [provided by RefSeq, Oct 2014]

ACADS Gene-Disease associations (from GenCC):

short chain acyl-CoA dehydrogenase deficiency
Inheritance: AR Classification: DEFINITIVE, STRONG, SUPPORTIVE Submitted by: Ambry Genetics, Labcorp Genetics (formerly Invitae), G2P, PanelApp Australia, Orphanet, ClinGen

ACADS links:

ENSG00000255946 (HGNC:):

ENSG00000255946 links:

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ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 4 ACMG points.

PM1

In a hotspot region, there are 8 aminoacids with missense pathogenic changes in the window of +-8 aminoacids around while only 0 benign, 8 uncertain in NM_000017.4

PM2

Very rare variant in population databases, with high coverage;

PP2

Missense variant in the gene, where a lot of missense mutations are associated with disease in ClinVar. The gene has 27 curated pathogenic missense variants (we use a threshold of 10). The gene has 8 curated benign missense variants. Gene score misZ: 0.58444 (below the threshold of 3.09). Trascript score misZ: 0.78549 (below the threshold of 3.09). GenCC associations: The gene is linked to short chain acyl-CoA dehydrogenase deficiency.

BP4

Computational evidence support a benign effect (MetaRNN=0.36517388).

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_000017.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Selected	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	ACADS	NM_000017.4	MANE Select	c.304A>T	p.Met102Leu	missense	Exon 3 of 10	NP_000008.1
	ACADS	NM_001302554.2		c.304A>T	p.Met102Leu	missense	Exon 3 of 10	NP_001289483.1

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein
ACADS	ENST00000242592.9	TSL:1 MANE Select	c.304A>T	p.Met102Leu	missense	Exon 3 of 10	ENSP00000242592.4
ACADS	ENST00000411593.2	TSL:2	c.304A>T	p.Met102Leu	missense	Exon 3 of 10	ENSP00000401045.2
ACADS	ENST00000539690.1	TSL:2	n.416A>T		non_coding_transcript_exon	Exon 3 of 3

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

0.00000138

AC:

AN:

1450054

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

720174

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33318

American (AMR)

AF:

0.00

AC:

AN:

43240

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25804

East Asian (EAS)

AF:

0.00

AC:

AN:

39382

South Asian (SAS)

AF:

0.00

AC:

AN:

84000

European-Finnish (FIN)

AF:

0.00

AC:

AN:

52016

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5758

European-Non Finnish (NFE)

AF:

0.00000181

AC:

AN:

1106626

Other (OTH)

AF:

0.00

AC:

AN:

59910

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 v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Benign

0.17

BayesDel_addAF

Uncertain

0.014

BayesDel_noAF

Benign

-0.22

CADD

Benign

(source)

DANN

Benign

0.82

DEOGEN2

Uncertain

0.75

Eigen

Benign

-0.74

Eigen_PC

Benign

-0.66

FATHMM_MKL

Benign

0.66

LIST_S2

Uncertain

0.87

M_CAP

Uncertain

0.11

MetaRNN

Benign

0.37

MetaSVM

Uncertain

0.55

MutationAssessor

Benign

0.34

PhyloP100

1.1

PrimateAI

Benign

0.43

PROVEAN

Benign

-1.3

REVEL

Uncertain

0.30

Sift

Benign

0.24

Sift4G

Benign

0.31

Polyphen

0.0

Vest4

0.21

MutPred

0.56

Loss of helix (P = 0.2271)

MVP

0.68

MPC

0.18

ClinPred

0.10

GERP RS

-2.7

Varity_R

0.24

gMVP

0.79

Mutation Taster

=87/13

polymorphism

(source)

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

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Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

Publications

ACMG classification

Variant Effect in Transcripts

RefSeq Transcripts

Ensembl Transcripts

Frequencies

ClinVar

Computational scores

Splicing

Publications

Other links and lift over