rs587776498

Variant names:

Your query was ambiguous. Multiple possible variants found:

Variant summary

Our verdict is Pathogenic. The variant received 13 ACMG points: 13P and 0B. PM1PM2PP2PP5_Very_Strong

The NM_004092.4(ECHS1):c.5C>T(p.Ala2Val) variant causes a missense change. The variant allele was found at a frequency of 0.0000306 in 1,502,630 control chromosomes in the GnomAD database, with no homozygous occurrence. Variant has been reported in ClinVar as Pathogenic (★★). Another variant affecting the same amino acid position, but resulting in a different missense (i.e. A2S) has been classified as Uncertain significance.

Frequency

Genomes: 𝑓 0.000039 ( 0 hom., cov: 33)

Exomes 𝑓: 0.000030 ( 0 hom. )

Consequence

ECHS1
NM_004092.4 missense

Scores

Clinical Significance

Pathogenic criteria provided, multiple submitters, no conflicts P:7

Conservation

PhyloP100: 4.12

Publications

12 publications found

Variant links:

Genes affected

ECHS1 (HGNC:3151): (enoyl-CoA hydratase, short chain 1) The protein encoded by this gene functions in the second step of the mitochondrial fatty acid beta-oxidation pathway. It catalyzes the hydration of 2-trans-enoyl-coenzyme A (CoA) intermediates to L-3-hydroxyacyl-CoAs. The gene product is a member of the hydratase/isomerase superfamily. It localizes to the mitochondrial matrix. Transcript variants utilizing alternative transcription initiation sites have been described in the literature. [provided by RefSeq, Jul 2008]

ECHS1 Gene-Disease associations (from GenCC):

Leigh syndrome
Inheritance: AR Classification: DEFINITIVE Submitted by: ClinGen
mitochondrial short-chain Enoyl-Coa hydratase 1 deficiency
Inheritance: AR Classification: DEFINITIVE, STRONG, MODERATE Submitted by: ClinGen, Genomics England PanelApp, Labcorp Genetics (formerly Invitae), G2P, Ambry Genetics
Leigh syndrome with leukodystrophy
Inheritance: AR Classification: SUPPORTIVE Submitted by: Orphanet

ECHS1 links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Pathogenic. The variant received 13 ACMG points.

PM1

In a hotspot region, there are 4 aminoacids with missense pathogenic changes in the window of +-8 aminoacids around while only 0 benign, 4 uncertain in NM_004092.4

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 35 curated pathogenic missense variants (we use a threshold of 10). The gene has 4 curated benign missense variants. Gene score misZ: 0.8627 (below the threshold of 3.09). Trascript score misZ: 0.70218 (below the threshold of 3.09). GenCC associations: The gene is linked to Leigh syndrome with leukodystrophy, Leigh syndrome, mitochondrial short-chain Enoyl-Coa hydratase 1 deficiency.

PP5

Variant 10-133373329-G-A is Pathogenic according to our data. Variant chr10-133373329-G-A is described in ClinVar as Pathogenic. ClinVar VariationId is 156434.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

Variant Effect in Transcripts

ACMG analysis was done for transcript: NM_004092.4. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Sel.	Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
	ECHS1	NM_004092.4	MANE Select	c.5C>T	p.Ala2Val	missense	Exon 1 of 8	NP_004083.3

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	HGVSp	Effect	Exon Rank	Protein	UniProt
ECHS1	ENST00000368547.4	TSL:1 MANE Select	c.5C>T	p.Ala2Val	missense	Exon 1 of 8	ENSP00000357535.3	P30084
ECHS1	ENST00000857570.1		c.5C>T	p.Ala2Val	missense	Exon 1 of 9	ENSP00000527629.1
ECHS1	ENST00000970368.1		c.5C>T	p.Ala2Val	missense	Exon 1 of 9	ENSP00000640427.1

Frequencies

GnomAD3 genomes

AF:

0.0000395

AC:

AN:

152090

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0000483

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.000193

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.0000441

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.0000101

AC:

AN:

98522

AF XY:

0.0000182

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 FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.0000288

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.0000296

AC:

AN:

1350540

Hom.:

Cov.:

AF XY:

0.0000195

AC XY:

AN XY:

666302

show subpopulations

African (AFR)

AF:

0.00

AC:

AN:

27752

American (AMR)

AF:

0.00

AC:

AN:

32798

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

23742

East Asian (EAS)

AF:

0.0000664

AC:

AN:

30140

South Asian (SAS)

AF:

0.00

AC:

AN:

76730

European-Finnish (FIN)

AF:

0.0000290

AC:

AN:

34522

Middle Eastern (MID)

AF:

0.00

AC:

AN:

4508

European-Non Finnish (NFE)

AF:

0.0000338

AC:

AN:

1064012

Other (OTH)

AF:

0.0000178

AC:

AN:

56336

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.498

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

AF:

0.0000395

AC:

AN:

152090

Hom.:

Cov.:

AF XY:

0.0000269

AC XY:

AN XY:

74290

show subpopulations

African (AFR)

AF:

0.0000483

AC:

AN:

41424

American (AMR)

AF:

0.00

AC:

AN:

15284

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3470

East Asian (EAS)

AF:

0.000193

AC:

AN:

5190

South Asian (SAS)

AF:

0.00

AC:

AN:

4836

European-Finnish (FIN)

AF:

0.00

AC:

AN:

10608

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.0000441

AC:

AN:

67962

Other (OTH)

AF:

0.00

AC:

AN:

2088

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.500

Heterozygous variant carriers

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Genome 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

Alfa

AF:

0.00

Hom.:

Bravo

AF:

0.0000264

ExAC

AF:

0.0000247

AC:

ClinVar

ClinVar submissions

Significance:Pathogenic

Revision:criteria provided, multiple submitters, no conflicts

View on ClinVar

Pathogenic

VUS

Benign

Condition

Mitochondrial short-chain Enoyl-Coa hydratase 1 deficiency (4)

not provided (2)

Leigh syndrome (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

AlphaMissense

Uncertain

0.36

BayesDel_addAF

Benign

-0.043

BayesDel_noAF

Benign

-0.30

CADD

Benign

(source)

DANN

Uncertain

0.97

DEOGEN2

Benign

0.041

Eigen

Benign

-0.84

Eigen_PC

Benign

-0.75

FATHMM_MKL

Benign

0.65

LIST_S2

Benign

0.49

M_CAP

Pathogenic

0.32

MetaRNN

Uncertain

0.71

MetaSVM

Benign

-0.96

MutationAssessor

Benign

0.55

PhyloP100

4.1

PrimateAI

Pathogenic

0.87

PROVEAN

Benign

-1.6

REVEL

Uncertain

0.60

Sift

Uncertain

0.0050

Sift4G

Benign

0.12

Polyphen

0.011

Vest4

0.80

MutPred

0.39

Gain of stability (P = 0.0061)

MVP

0.90

MPC

0.46

ClinPred

0.50

GERP RS

2.8

PromoterAI

-0.60

Under-expression

(source)

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

1.6

Varity_R

0.20

gMVP

0.82

Mutation Taster

=90/10

disease causing (ClinVar)

(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

Age Distribution

Age Distribution

ClinVar

Computational scores

Splicing

Publications

Other links and lift over