dbSNP rs767041100: ACAD8:p.Met1? (chr11-134253602-T-A) – ACMG Classification: Likely_pathogenic (8 pts)

Variant summary

Our verdict is Likely pathogenic. The variant received 8 ACMG points: 8P and 0B. PVS1_StrongPS1_ModeratePM2

The NM_014384.3(ACAD8):c.2T>A(p.Met1?) variant causes a start lost change involving the alteration of a non-conserved nucleotide. The variant was absent in control chromosomes in GnomAD project. In-silico tool predicts a pathogenic outcome for this variant. No clinical diagnostic laboratories have submitted clinical-significance assessments for this variant to ClinVar.

Frequency

Genomes: not found (cov: 32)

Exomes 𝑓: 0.0 ( 0 hom. )

Failed GnomAD Quality Control

Consequence

ACAD8
NM_014384.3 start_lost

Scores

Clinical Significance

Not reported in ClinVar

Conservation

PhyloP100: 0.589

Publications

0 publications found

Variant links:

Genes affected

ACAD8 (HGNC:87): (acyl-CoA dehydrogenase family member 8) This gene encodes a member of the acyl-CoA dehydrogenase family of enzymes that catalyze the dehydrogenation of acyl-CoA derivatives in the metabolism of fatty acids or branch chained amino acids. The encoded protein is a mitochondrial enzyme that functions in catabolism of the branched-chain amino acid valine. Defects in this gene are the cause of isobutyryl-CoA dehydrogenase deficiency.[provided by RefSeq, Nov 2009]

ACAD8 links:

THYN1 (HGNC:29560): (thymocyte nuclear protein 1) This gene encodes a protein that is highly conserved among vertebrates and plant species and may be involved in the induction of apoptosis. Alternatively spliced transcript variants encoding different isoforms have been described. [provided by RefSeq, Jul 2008]

THYN1 links:

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ACMG classification

Classification was made for transcript

Our verdict: Likely_pathogenic. The variant received 8 ACMG points.

PVS1

Start lost variant, next in-frame start position is after 5 pathogenic variants. Next in-frame start position is after 39 codons. Genomic position: 134256553. Lost 0.092 part of the original CDS.

PS1

Another start lost variant in NM_014384.3 (ACAD8) was described as [Likely_pathogenic] in ClinVar as 566782

PM2

Very rare variant in population databases, with high coverage;

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	MANE	Protein	UniProt
ACAD8	NM_014384.3 link	c.2T>A	p.Met1?	start_lost	Exon 1 of 11	ENST00000281182.9	NP_055199.1	Q9UKU7-1
THYN1	NM_014174.3 link	c.-720A>T		upstream_gene_variant		ENST00000341541.8	NP_054893.1	Q9P016-1A0A024R3M1

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	Exon rank	TSL	MANE	Protein	Appris	UniProt
ACAD8	ENST00000281182.9 link	c.2T>A	p.Met1?	start_lost	Exon 1 of 11	1	NM_014384.3	ENSP00000281182.5		Q9UKU7-1
THYN1	ENST00000341541.8 link	c.-720A>T		upstream_gene_variant		1	NM_014174.3	ENSP00000341657.3		Q9P016-1

Frequencies

GnomAD3 genomes

Cov.:

GnomAD4 exome

Data not reliable, filtered out with message: AC0

AF:

0.00

AC:

AN:

1431426

Hom.:

Cov.:

AF XY:

0.00

AC XY:

AN XY:

709928

African (AFR)

AF:

0.00

AC:

AN:

32904

American (AMR)

AF:

0.00

AC:

AN:

41078

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25510

East Asian (EAS)

AF:

0.00

AC:

AN:

38144

South Asian (SAS)

AF:

0.00

AC:

AN:

82790

European-Finnish (FIN)

AF:

0.00

AC:

AN:

46854

Middle Eastern (MID)

AF:

0.00

AC:

AN:

5712

European-Non Finnish (NFE)

AF:

0.00

AC:

AN:

1099172

Other (OTH)

AF:

0.00

AC:

AN:

59262

GnomAD4 genome

Cov.:

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.00000378

ClinVar

Not reported in ClinVar

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_addAF

Pathogenic

0.63

BayesDel_noAF

Pathogenic

0.18

CADD

Benign

(source)

DANN

Benign

0.97

DEOGEN2

Benign

0.29

T;.

Eigen

Benign

-0.77

Eigen_PC

Benign

-0.80

FATHMM_MKL

Benign

0.19

LIST_S2

Uncertain

0.90

D;D

M_CAP

Pathogenic

0.98

MetaRNN

Pathogenic

0.99

D;D

MetaSVM

Uncertain

0.40

PhyloP100

0.59

PROVEAN

Benign

-0.56

N;N

REVEL

Uncertain

0.43

Sift

Pathogenic

0.0

D;D

Sift4G

Pathogenic

0.0

D;.

Polyphen

0.0

B;.

Vest4

0.62

MutPred

0.99

Loss of stability (P = 0.0141);Loss of stability (P = 0.0141);

MVP

0.97

ClinPred

1.0

GERP RS

2.0

PromoterAI

-0.021

Neutral

(source)

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.6

Varity_R

0.91

gMVP

0.81

Mutation Taster

=12/188

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

ClinVar

Computational scores

Splicing

Publications

Other links and lift over