Annotations: 3AQB

M. luteus B-P 26 heterodimeric hexaprenyl diphosphate synthase in complex with magnesium

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
D	SCOP2 Family	Isoprenyl diphosphate synthases	8098199	4001453	SCOP2 (2022-06-29)
D	SCOP2 Superfamily	Terpenoid synthases	8098200	3001615	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	Terpenoid synthases	8098200	3001615	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)
D	p450	e3aqbD1	A: beta barrels	X: Lipocalins/Streptavidin	H: Zn-dependent exopeptidases	T: Zn-dependent exopeptidases	F: p450	ECOD (v294.2)
B	Biopterin_H	e3aqbB1	A: beta barrels	X: Globin-like	H: Globin-like	T: Globin-like	F: Biopterin_H	ECOD (v294.2)
C	p450	e3aqbC1	A: beta barrels	X: Lipocalins/Streptavidin	H: Zn-dependent exopeptidases	T: Zn-dependent exopeptidases	F: p450	ECOD (v294.2)
A	Thioredoxin	e3aqbA1	A: beta barrels	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: Thioredoxin	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
D	1.10.600.10	Mainly Alpha	Orthogonal Bundle	Farnesyl Diphosphate Synthase	Farnesyl Diphosphate Synthase	CATH (4.3.0)
B	1.10.600.10	Mainly Alpha	Orthogonal Bundle	Farnesyl Diphosphate Synthase	Farnesyl Diphosphate Synthase	CATH (4.3.0)
C	1.20.120.1450	Mainly Alpha	Up-down Bundle	Four Helix Bundle (Hemerythrin (Met), subunit A)		CATH (4.3.0)
A	1.20.120.1450	Mainly Alpha	Up-down Bundle	Four Helix Bundle (Hemerythrin (Met), subunit A)		CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B, D	Component B of hexaprenyl diphosphate synthase	cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding transferase activity transferase activity, transferring alkyl or aryl (other than methyl) groups catalytic activity prenyl diphosphate synthase activity hexaprenyl-diphosphate synthase ((2E,6E)-farnesyl-diphosphate specific) activity prenyltransferase activity	biosynthetic process isoprenoid biosynthetic process lipid biosynthetic process primary metabolic process metabolic process cellular process lipid metabolic process isoprenoid metabolic process small molecule biosynthetic process ketone metabolic process menaquinone metabolic process small molecule metabolic process menaquinone biosynthetic process ketone biosynthetic process	-
A, C	Component A of hexaprenyl diphosphate synthase	cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding transferase activity transferase activity, transferring alkyl or aryl (other than methyl) groups catalytic activity prenyl diphosphate synthase activity hexaprenyl-diphosphate synthase ((2E,6E)-farnesyl-diphosphate specific) activity prenyltransferase activity	biosynthetic process small molecule biosynthetic process ketone metabolic process menaquinone metabolic process metabolic process cellular process small molecule metabolic process menaquinone biosynthetic process ketone biosynthetic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B, D	IPR008949	Isoprenoid synthase domain superfamily	Homologous Superfamily
B, D	IPR033749	Polyprenyl synthetase, conserved site	Conserved Site
B, D	IPR054985	Hexaprenyl-diphosphate synthase large subunit	Family
B, D	IPR000092	Polyprenyl synthetase-like	Family
A, C	IPR054999	Hexaprenyl-diphosphate synthase, small subunit	Family

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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.