dbSNP rs367715601: GCDH:c.-45C>A (chr19-12891260-C-A) – ACMG Classification: Likely_benign (-3 pts)

Variant summary

Our verdict is Likely benign. The variant received -3 ACMG points: 1P and 4B. PP3BS2

The ENST00000591470.5(GCDH):c.-45C>A variant causes a 5 prime UTR change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.000558 in 1,520,684 control chromosomes in the GnomAD database, including 2 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Uncertain significance (★★).

Frequency

Genomes: 𝑓 0.00032 ( 0 hom., cov: 33)

Exomes 𝑓: 0.00058 ( 2 hom. )

Consequence

GCDH
ENST00000591470.5 5_prime_UTR

Scores

Splicing: ADA: 0.9822

Clinical Significance

Uncertain significance criteria provided, multiple submitters, no conflicts U:2

Conservation

PhyloP100: -3.00

Publications

0 publications found

Variant links:

Genes affected

GCDH (HGNC:4189): (glutaryl-CoA dehydrogenase) The protein encoded by this gene belongs to the acyl-CoA dehydrogenase family. It catalyzes the oxidative decarboxylation of glutaryl-CoA to crotonyl-CoA and CO(2) in the degradative pathway of L-lysine, L-hydroxylysine, and L-tryptophan metabolism. It uses electron transfer flavoprotein as its electron acceptor. The enzyme exists in the mitochondrial matrix as a homotetramer of 45-kD subunits. Mutations in this gene result in the metabolic disorder glutaric aciduria type 1, which is also known as glutaric acidemia type I. Alternative splicing of this gene results in multiple transcript variants. A related pseudogene has been identified on chromosome 12. [provided by RefSeq, Mar 2013]

GCDH Gene-Disease associations (from GenCC):

glutaryl-CoA dehydrogenase deficiency
Inheritance: AR Classification: DEFINITIVE, STRONG, MODERATE, SUPPORTIVE Submitted by: Genomics England PanelApp, G2P, ClinGen, Labcorp Genetics (formerly Invitae), Orphanet, Myriad Women’s Health

GCDH links:

Genome browser will be placed here

ACMG classification

Classification was made for transcript

Our verdict: Likely_benign. The variant received -3 ACMG points.

PP3

Splicing predictors support a deleterious effect. Scorers claiming Pathogenic: dbscSNV1_ADA, dbscSNV1_RF, max_spliceai. No scorers claiming Uncertain. No scorers claiming Benign.

BS2

High Homozygotes in GnomAdExome4 at 2 AR gene

Variant Effect in Transcripts

ACMG analysis was done for transcript: ENST00000591470.5. You can select a different transcript below to see updated ACMG assignments.

RefSeq Transcripts

Gene	Transcript	Tags	HGVSc	Effect	Exon Rank	Protein	UniProt
GCDH	NM_000159.4	MANE Select	c.-34-11C>A	intron	N/A	NP_000150.1	Q92947-1
GCDH	NM_013976.5		c.-34-11C>A	intron	N/A	NP_039663.1	Q92947-2
GCDH	NR_102316.1		n.75-11C>A	intron	N/A

Ensembl Transcripts

Gene	Transcript	Tags	HGVSc	Effect	Exon Rank	Protein	UniProt
GCDH	ENST00000591470.5	TSL:1	c.-45C>A	5_prime_UTR	Exon 1 of 11	ENSP00000466845.1	Q92947-1
GCDH	ENST00000222214.10	TSL:1 MANE Select	c.-34-11C>A	intron	N/A	ENSP00000222214.4	Q92947-1
GCDH	ENST00000590627.5	TSL:1	n.24-11C>A	intron	N/A

Frequencies

GnomAD3 genomes

AF:

0.000315

AC:

AN:

152252

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.000121

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.0000654

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.00

Gnomad FIN

AF:

0.0000941

Gnomad MID

AF:

0.00

Gnomad NFE

AF:

0.000603

Gnomad OTH

AF:

0.00

GnomAD2 exomes

AF:

0.000303

AC:

AN:

217616

AF XY:

0.000316

show subpopulations

Gnomad AFR exome

AF:

0.000151

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:

0.000643

Gnomad OTH exome

AF:

0.00

GnomAD4 exome

AF:

0.000585

AC:

800

AN:

1368432

Hom.:

Cov.:

AF XY:

0.000581

AC XY:

398

AN XY:

684662

show subpopulations

African (AFR)

AF:

0.0000313

AC:

AN:

31952

American (AMR)

AF:

0.00

AC:

AN:

43068

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

25554

East Asian (EAS)

AF:

0.00

AC:

AN:

39010

South Asian (SAS)

AF:

0.0000119

AC:

AN:

84132

European-Finnish (FIN)

AF:

0.0000766

AC:

AN:

39148

Middle Eastern (MID)

AF:

0.00

AC:

AN:

4050

European-Non Finnish (NFE)

AF:

0.000744

AC:

777

AN:

1044042

Other (OTH)

AF:

0.000313

AC:

AN:

57476

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.499

Heterozygous variant carriers

122

163

204

0.00

0.20

0.40

0.60

0.80

0.95

Allele balance

Age Distribution

Exome Het

Exome Hom

Variant carriers

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

GnomAD4 genome

AF:

0.000315

AC:

AN:

152252

Hom.:

Cov.:

AF XY:

0.000215

AC XY:

AN XY:

74384

show subpopulations

African (AFR)

AF:

0.000121

AC:

AN:

41472

American (AMR)

AF:

0.0000654

AC:

AN:

15284

Ashkenazi Jewish (ASJ)

AF:

0.00

AC:

AN:

3472

East Asian (EAS)

AF:

0.00

AC:

AN:

5198

South Asian (SAS)

AF:

0.00

AC:

AN:

4836

European-Finnish (FIN)

AF:

0.0000941

AC:

AN:

10626

Middle Eastern (MID)

AF:

0.00

AC:

AN:

316

European-Non Finnish (NFE)

AF:

0.000603

AC:

AN:

68044

Other (OTH)

AF:

0.00

AC:

AN:

2094

Allele Balance Distribution

Red line indicates average allele balance

Average allele balance: 0.505

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:

0.0000855

Hom.:

Bravo

AF:

0.000283

ClinVar

ClinVar submissions as Germline

Significance:Uncertain significance

Revision:criteria provided, multiple submitters, no conflicts

View on ClinVar

Pathogenic

VUS

Benign

Condition

Glutaric aciduria, type 1 (1)

not provided (1)

Computational scores

Source: dbNSFP v4.9

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.80

CADD

Benign

1.8

(source)

DANN

Benign

0.71

PhyloP100

-3.0

PromoterAI

0.0076

Neutral

(source)

RBP_binding_hub_radar

0.0

RBP_regulation_power_radar

2.6

Mutation Taster

=100/0

polymorphism

(source)

Splicing

Name

Calibrated prediction

Score

Prediction

dbscSNV1_ADA

Pathogenic

0.98

dbscSNV1_RF

Pathogenic

0.83

SpliceAI score (max)

0.53

Details are displayed if max score is > 0.2

DS_AL_spliceai

0.53

Position offset: 11

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