Annotations: 4EA1

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	SQS_PSY	e4ea1A2	A: beta barrels	X: PH domain-like	H: PH domain-like	T: PH domain-like	F: SQS_PSY	ECOD (v294.2)

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.10.600.10	Mainly Alpha	Orthogonal Bundle	Farnesyl Diphosphate Synthase	Farnesyl Diphosphate Synthase	CATH (4.3.0)

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Dehydrosqualene synthase	geranylgeranyl diphosphate synthase activity prenyl diphosphate synthase activity prenyltransferase activity transferase activity transferase activity, transferring alkyl or aryl (other than methyl) groups catalytic activity squalene synthase [NAD(P)H] activity cation binding ion binding binding metal ion binding small molecule binding	pigment metabolic process carotenoid biosynthetic process isoprenoid biosynthetic process lipid biosynthetic process pigment biosynthetic process primary metabolic process terpenoid biosynthetic process biosynthetic process tetraterpenoid biosynthetic process metabolic process cellular process terpenoid metabolic process carotenoid metabolic process lipid metabolic process pigment metabolic process carotenoid biosynthetic process isoprenoid biosynthetic process lipid biosynthetic process pigment biosynthetic process primary metabolic process terpenoid biosynthetic process biosynthetic process tetraterpenoid biosynthetic process metabolic process cellular process terpenoid metabolic process carotenoid metabolic process lipid metabolic process isoprenoid metabolic process	-

Chains	Accession	Name	Type
A	IPR044843	Trans-isoprenyl diphosphate synthases, bacterial-type	Family
A	IPR033904	Trans-isoprenyl diphosphate synthases, head-to-head	Domain
A	IPR002060	Squalene/phytoene synthase	Family
A	IPR019845	Squalene/phytoene synthase, conserved site	Conserved Site
A	IPR008949	Isoprenoid synthase domain superfamily	Homologous Superfamily

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.

4EA1 | pdb_00004ea1