dbSNP rs1555243946: ACADS:p.Leu122Val (chr12-120737359-C-G) – ACMG Classification: Uncertain_significance (3 pts)

Variant summary

Our verdict is Uncertain significance. The variant received 3 ACMG points: 3P and 0B. PM2PP2

The NM_000017.4(ACADS):c.364C>G(p.Leu122Val) variant causes a missense change. The variant allele was found at a frequency of 0.000000684 in 1,461,564 control chromosomes in the GnomAD database, with no homozygous occurrence. 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. L122F) has been classified as Uncertain significance.

Frequency

Genomes: not found (cov: 33)

Exomes 𝑓: 6.8e-7 ( 0 hom. )

Consequence

ACADS
NM_000017.4 missense

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 3.88

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:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Uncertain_significance. The variant received 3 ACMG points.

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.

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
ACADS	NM_000017.4 link	c.364C>G	p.Leu122Val	missense_variant	Exon 4 of 10	ENST00000242592.9	NP_000008.1	P16219E5KSD5
ACADS	NM_001302554.2 link	c.364C>G	p.Leu122Val	missense_variant	Exon 4 of 10		NP_001289483.1	P16219E9PE82B4DUH1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	UniProt
ACADS	ENST00000242592.9 link	c.364C>G	p.Leu122Val	missense_variant	Exon 4 of 10	1	NM_000017.4	ENSP00000242592.4	P16219
ACADS	ENST00000411593.2 link	c.364C>G	p.Leu122Val	missense_variant	Exon 4 of 10	2		ENSP00000401045.2	E9PE82
ACADS	ENST00000539690.1 link	n.696C>G		non_coding_transcript_exon_variant	Exon 3 of 3	2
ENSG00000255946	ENST00000724268.1 link	n.305-7071G>C		intron_variant	Intron 1 of 1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

AF:

6.84e-7

AC:

AN:

1461564

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

727094

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

33478

American (AMR)

AF:

0.00

AC:

AN:

44716

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

26136

East Asian (EAS)

AF:

0.00

AC:

AN:

39698

South Asian (SAS)

AF:

0.00

AC:

AN:

86242

European-Finnish (FIN)

AF:

0.00

AC:

AN:

53190

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5764

European-Non Finnish (NFE)

AF:

8.99e-7

AC:

AN:

1111952

Other (OTH)

AF:

0.00

AC:

AN:

60388

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.475

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Variant carriers

<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

Cov.:

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Pathogenic

0.62

BayesDel_addAF

Pathogenic

0.23

BayesDel_noAF

Uncertain

0.090

CADD

Uncertain

(source)

DANN

Uncertain

1.0

DEOGEN2

Pathogenic

0.91

D;D

Eigen

Uncertain

0.63

Eigen_PC

Uncertain

0.60

FATHMM_MKL

Uncertain

0.90

LIST_S2

Pathogenic

1.0

D;D

M_CAP

Uncertain

0.22

MetaRNN

Uncertain

0.68

D;D

MetaSVM

Pathogenic

1.0

MutationAssessor

Uncertain

2.5

M;.

PhyloP100

3.9

PrimateAI

Uncertain

0.67

PROVEAN

Uncertain

-2.8

D;D

REVEL

Pathogenic

0.74

Sift

Benign

0.069

T;D

Sift4G

Benign

0.10

T;T

Polyphen

0.98

D;D

Vest4

0.50

MutPred

0.74

Gain of catalytic residue at L122 (P = 0.0254);Gain of catalytic residue at L122 (P = 0.0254);

MVP

0.99

MPC

0.77

ClinPred

0.97

GERP RS

5.1

Varity_R

0.86

gMVP

0.89

Mutation Taster

=36/64

disease causing

(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

Transcripts

RefSeq

Ensembl

Frequencies

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over