8DJM | pdb_00008djm

HMGCR-UBIAD1 Complex State 1

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
SAbDab Antibody Annotation
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Membrane Protein Annotation: OPM
Membrane Protein Annotation: PDBTM
Membrane Protein Annotation: mpstruc

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
C	SCOP2B Superfamily	Cytochromes	8057879	3001526	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
E [auth H]	PHF5	e8djmH1	A: a/b three-layered sandwiches	X: RNase A-like	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PHF5	ECOD (v294.1)
D [auth L]	PHF5	e8djmL1	A: a/b three-layered sandwiches	X: RNase A-like	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PHF5	ECOD (v294.1)
C	PHF5	e8djmC1	A: a/b three-layered sandwiches	X: RNase A-like	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PHF5	ECOD (v294.1)
B	PHF5	e8djmB1	A: a/b three-layered sandwiches	X: RNase A-like	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: PHF5	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
E [auth H]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)
D [auth L]	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (utative)

SAbDab Antibody Annotation SAbDab Database Homepage

Chain	Chain Class	Chain Subclass	Chain Type	Antigen Name(s)	Provenance Source
E [auth H]	Heavy Chain	IGHV1	-	ubia prenyltransferase domain-containing protein 1 \| 3-hydroxy-3-methylglutaryl-coenzyme a reductase	SAbDab (2026-03-27)
D [auth L]	Light Chain	IGKV5	Kappa	ubia prenyltransferase domain-containing protein 1 \| 3-hydroxy-3-methylglutaryl-coenzyme a reductase	SAbDab (2026-03-27)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
B	PF01040	UbiA prenyltransferase family (UbiA)	UbiA prenyltransferase family	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
E [auth H]	Fab 15B2 Heavy Chain	-	-	-
D [auth L]	Fab 15B2 Light Chain	-	-	-
C	Soluble cytochrome b562	binding tetrapyrrole binding heme binding electron transfer activity cation binding transition metal ion binding iron ion binding ion binding metal ion binding small molecule binding	electron transport chain metabolic process cellular process generation of precursor metabolites and energy	cellular anatomical structure periplasmic space
B	UbiA prenyltransferase domain-containing protein 1	antioxidant activity 4-hydroxybenzoate polyprenyltransferase activity prenyltransferase activity transferase activity transferase activity, transferring alkyl or aryl (other than methyl) groups catalytic activity	vitamin K metabolic process small molecule biosynthetic process ketone metabolic process vitamin biosynthetic process vitamin metabolic process biosynthetic process vitamin K biosynthetic process fat-soluble vitamin biosynthetic process metabolic process cellular process small molecule metabolic process ketone biosynthetic process menaquinone metabolic process menaquinone biosynthetic process vitamin K metabolic process small molecule biosynthetic process ketone metabolic process vitamin biosynthetic process vitamin metabolic process biosynthetic process vitamin K biosynthetic process fat-soluble vitamin biosynthetic process metabolic process cellular process small molecule metabolic process ketone biosynthetic process menaquinone metabolic process menaquinone biosynthetic process ubiquinone biosynthetic process quinone metabolic process quinone biosynthetic process ubiquinone metabolic process	membrane-bounded organelle Golgi membrane intracellular anatomical structure Golgi apparatus membrane intracellular membrane-bounded organelle endomembrane system intracellular organelle bounding membrane of organelle cellular anatomical structure organelle cytoplasm organelle membrane nucleus membrane-bounded organelle Golgi membrane intracellular anatomical structure Golgi apparatus membrane intracellular membrane-bounded organelle endomembrane system intracellular organelle bounding membrane of organelle cellular anatomical structure organelle cytoplasm organelle membrane nucleus organelle subcompartment endoplasmic reticulum subcompartment nuclear outer membrane-endoplasmic reticulum membrane network endoplasmic reticulum endoplasmic reticulum membrane mitochondrial membrane mitochondrion organelle envelope mitochondrial envelope
A	3-hydroxy-3-methylglutaryl-coenzyme A reductase	binding nucleotide binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding heterocyclic compound binding NADPH binding NADP binding small molecule binding GTPase regulator activity enzyme regulator activity nucleoside-triphosphatase regulator activity binding nucleotide binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding heterocyclic compound binding NADPH binding NADP binding small molecule binding GTPase regulator activity enzyme regulator activity nucleoside-triphosphatase regulator activity molecular function regulator activity coenzyme A binding sulfur compound binding oxidoreductase activity oxidoreductase activity, acting on the CH-OH group of donors, NAD or NADP as acceptor oxidoreductase activity, acting on CH-OH group of donors hydroxymethylglutaryl-CoA reductase (NADPH) activity catalytic activity	negative regulation of protein transport regulation of localization establishment of protein localization regulation of cellular process regulation of protein localization transport negative regulation of biological process negative regulation of transport protein localization to extracellular region localization regulation of secretion by cell secretion by cell negative regulation of secretion negative regulation of cellular process negative regulation of protein transport regulation of localization establishment of protein localization regulation of cellular process regulation of protein localization transport negative regulation of biological process negative regulation of transport protein localization to extracellular region localization regulation of secretion by cell secretion by cell negative regulation of secretion negative regulation of cellular process negative regulation of secretion by cell intracellular protein localization negative regulation of protein localization regulation of biological process regulation of transport secretion biological regulation regulation of establishment of protein localization establishment of protein localization to extracellular region negative regulation of establishment of protein localization export from cell regulation of protein transport protein secretion establishment of localization regulation of protein secretion regulation of secretion negative regulation of protein secretion protein transport macromolecule localization cellular process biosynthetic process isoprenoid biosynthetic process lipid biosynthetic process primary metabolic process metabolic process lipid metabolic process isoprenoid metabolic process response to light stimulus multicellular organismal process system process learning learning or memory nervous system process response to stimulus visual learning visual behavior cognition associative learning behavior response to radiation response to abiotic stimulus secondary alcohol biosynthetic process small molecule biosynthetic process cholesterol biosynthetic process sterol metabolic process steroid metabolic process cholesterol metabolic process alcohol metabolic process secondary alcohol metabolic process sterol biosynthetic process alcohol biosynthetic process small molecule metabolic process steroid biosynthetic process cellular response to stimulus regulation of signaling signaling regulation of signal transduction regulation of MAPK cascade intracellular signal transduction cell communication regulation of intracellular signal transduction regulation of response to stimulus intracellular signaling cassette MAPK cascade regulation of cell communication ERK1 and ERK2 cascade signal transduction regulation of ERK1 and ERK2 cascade nucleoside phosphate metabolic process purine-containing compound metabolic process nucleobase-containing compound metabolic process organophosphate metabolic process nucleobase-containing small molecule metabolic process phosphate-containing compound metabolic process sulfur compound metabolic process phosphorus metabolic process coenzyme A metabolic process catabolic process macromolecule catabolic process negative regulation of protein catabolic process regulation of primary metabolic process protein metabolic process negative regulation of protein metabolic process negative regulation of macromolecule metabolic process negative regulation of catabolic process regulation of protein metabolic process negative regulation of metabolic process protein catabolic process regulation of macromolecule metabolic process regulation of catabolic process macromolecule metabolic process regulation of metabolic process regulation of protein catabolic process negative regulation of amyloid-beta clearance regulation of multicellular organismal process amyloid-beta clearance regulation of amyloid-beta clearance negative regulation of multicellular organismal process positive regulation of cell communication modulation of chemical synaptic transmission positive regulation of biological process long-term synaptic potentiation synaptic signaling regulation of biological quality positive regulation of cellular process regulation of synaptic plasticity trans-synaptic signaling cell-cell signaling positive regulation of synaptic transmission chemical synaptic transmission regulation of trans-synaptic signaling anterograde trans-synaptic signaling positive regulation of signaling	membrane-bounded organelle intracellular anatomical structure organelle subcompartment membrane intracellular membrane-bounded organelle endomembrane system endoplasmic reticulum subcompartment intracellular organelle cellular anatomical structure organelle nuclear outer membrane-endoplasmic reticulum membrane network endoplasmic reticulum cytoplasm organelle membrane membrane-bounded organelle intracellular anatomical structure organelle subcompartment membrane intracellular membrane-bounded organelle endomembrane system endoplasmic reticulum subcompartment intracellular organelle cellular anatomical structure organelle nuclear outer membrane-endoplasmic reticulum membrane network endoplasmic reticulum cytoplasm organelle membrane endoplasmic reticulum membrane peroxisome microbody membrane bounding membrane of organelle peroxisomal membrane microbody

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
C	IPR010980	Cytochrome c/b562	Homologous Superfamily
C	IPR009155	Cytochrome b562	Family
B	IPR044878	UbiA prenyltransferase superfamily	Homologous Superfamily
B	IPR000537	UbiA prenyltransferase	Family
B	IPR026046	UbiA prenyltransferase domain containing protein 1	Family
A	IPR004816	Hydroxymethylglutaryl-CoA reductase, metazoan	Family
A	IPR000731	Sterol-sensing domain	Domain
A	IPR053958	HMGCR/SNAP/NPC1-like, sterol-sensing domain	Domain
A	IPR002202	Hydroxymethylglutaryl-CoA reductase, class I/II	Family
A	IPR009023	Hydroxymethylglutaryl-CoA reductase, class I/II, NAD/NADP-binding domain superfamily	Homologous Superfamily
A	IPR004554	Hydroxymethylglutaryl-CoA reductase, eukaryotic/archaeal type	Family
A	IPR023282	Hydroxymethylglutaryl-CoA reductase, N-terminal	Homologous Superfamily
A	IPR009029	Hydroxymethylglutaryl-CoA reductase, class I/II, substrate-binding domain superfamily	Homologous Superfamily
A	IPR023074	Hydroxymethylglutaryl-CoA reductase, class I/II, catalytic domain superfamily	Homologous Superfamily
A	IPR023076	Hydroxymethylglutaryl-CoA reductase, class I/II, conserved site	Conserved Site

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A, B, C	OPM	Transmembrane	Alpha-helical polytopic	Hydroxymethylglutaryl-coenzyme A reductase	Hydroxymethylglutaryl-coenzyme A reductase

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A, B, C	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A, B, C	mpstruc	TRANSMEMBRANE PROTEINS: ALPHA-HELICAL	HMG CoA Reductase	HMG CoA Reductase (HMG CoA) in complex with UBIAD1, state 1

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.

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