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DDG2P

Gene: HMGCS2

Green List (high evidence)
HMGCS2 (3-hydroxy-3-methylglutaryl-CoA synthase 2)
EnsemblGeneIds (GRCh38): ENSG00000134240
EnsemblGeneIds (GRCh37): ENSG00000134240
OMIM: 600234, Gene2Phenotype
HMGCS2 is in 9 panels

2 reviews

Achchuthan Shanmugasundram (Genomics England Curator)

Green List (high evidence)

The DDG2P confidence category, allelic requirement and molecular mechanism for HMGCS2-related 3-hydroxy-3-methylglutaryl-CoA synthase 2 deficiency are definitive, biallelic_autosomal and undetermined (PMIDs: 11228257, 11479731, 12647205, 9337379, 9727719). More details can be found in https://www.ebi.ac.uk/gene2phenotype/lgd/G2P01325.
Created: 13 Feb 2026, 9:25 p.m. | Last Modified: 13 Feb 2026, 9:25 p.m.
Panel Version: 6.17
The DDG2P confidence category for the disease 3-HYDROXY-3-METHYLGLUTARYL-COA SYNTHASE 2 DEFICIENCY, OMIM:605911 is definitive. The allelic requirement and mutation consequence are biallelic_autosomal and altered gene product structure (PMIDs: 11228257;9727719;11479731;9337379;12647205).
Created: 4 Oct 2023, 5:08 p.m. | Last Modified: 4 Oct 2023, 5:08 p.m.
Panel Version: 3.12

Mode of inheritance
BIALLELIC, autosomal or pseudoautosomal

Phenotypes
OMIM:605911.0; MONDO:0011614; 3-HYDROXY-3-METHYLGLUTARYL-COA SYNTHASE 2 DEFICIENCY, OMIM:605911; HMGCS2-related 3-hydroxy-3-methylglutaryl-CoA synthase 2 deficiency

Publications

Mode of pathogenicity
Other

Created: 4 Oct 2023, 5:08 p.m.
Last Modified: 4 Oct 2023, 5:08 p.m.
Panel version: 6.17

Rebecca Foulger (Genomics England curator)

I don't know

Original DDG2P rating: confirmed. DDG2P mode of pathogenicity: all missense/in frame
Created: 19 Nov 2018, 11:30 a.m.
Created: 19 Nov 2018, 11:30 a.m.

Panel version: 0.2

Details

Mode of Inheritance
BIALLELIC, autosomal or pseudoautosomal
Sources
  • DD-Gene2Phenotype
  • Expert Review Green
Phenotypes
  • 3-HYDROXY-3-METHYLGLUTARYL-COA SYNTHASE 2 DEFICIENCY 605911
OMIM
600234
Clinvar variants
Variants in HMGCS2
Penetrance
None
Publications
Panels with this gene

History Filter Activity

16 Feb 2026, Gel status: 3

Set mode of pathogenicity

Achchuthan Shanmugasundram (Genomics England Curator)

Mode of pathogenicity for gene: HMGCS2 was changed from Other to None

4 Oct 2023, Gel status: 3

Set mode of pathogenicity, Set publications

Achchuthan Shanmugasundram (Genomics England Curator)

Mode of pathogenicity for gene HMGCS2 was changed from Other - please provide details in the comments to Other Publications for gene: HMGCS2 were updated from 11479731; 9727719; 12647205; 11228257; 9337379 to 9337379; 12647205; 11228257; 9727719; 11479731

29 Jan 2019, Gel status: 4

Panel promoted to version 1.0

Rebecca Foulger (Genomics England curator)

Rebecca Foulger: Original DDG2P rating: confirm

19 Nov 2018, Gel status: 4

Created, Added New Source, Set mode of inheritance, Set publications, Set Phenotypes, Set mode of pathogenicity

Rebecca Foulger (Genomics England curator)

gene: HMGCS2 was added gene: HMGCS2 was added to DDG2P. Sources: Expert Review Green,DD-Gene2Phenotype Mode of inheritance for gene: HMGCS2 was set to BIALLELIC, autosomal or pseudoautosomal Publications for gene: HMGCS2 were set to 11479731; 9727719; 12647205; 11228257; 9337379 Phenotypes for gene: HMGCS2 were set to 3-HYDROXY-3-METHYLGLUTARYL-COA SYNTHASE 2 DEFICIENCY 605911 Mode of pathogenicity for gene: HMGCS2 was set to Other - please provide details in the comments