Annotations: 7WGH

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	SQS_PSY	e7wghA1	A: alpha bundles	X: Terpenoid synthases (From Topology)	H: Terpenoid synthases (From Topology)	T: Terpenoid synthases	F: SQS_PSY	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00494	Squalene/phytoene synthase (SQS_PSY)	Squalene/phytoene synthase		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Squalene synthase	monosaccharide transmembrane transporter activity sugar transmembrane transporter activity transporter activity carbohydrate transmembrane transporter activity D-glucose transmembrane transporter activity hexose transmembrane transporter activity transmembrane transporter activity squalene synthase [NAD(P)H] activity prenyltransferase activity transferase activity transferase activity, transferring alkyl or aryl (other than methyl) groups catalytic activity	secondary alcohol biosynthetic process small molecule biosynthetic process steroid metabolic process sterol metabolic process lipid biosynthetic process primary metabolic process alcohol metabolic process ergosterol biosynthetic process phytosteroid biosynthetic process secondary alcohol metabolic process biosynthetic process sterol biosynthetic process alcohol biosynthetic process metabolic process secondary alcohol biosynthetic process small molecule biosynthetic process steroid metabolic process sterol metabolic process lipid biosynthetic process primary metabolic process alcohol metabolic process ergosterol biosynthetic process phytosteroid biosynthetic process secondary alcohol metabolic process biosynthetic process sterol biosynthetic process alcohol biosynthetic process metabolic process cellular process small molecule metabolic process ergosterol metabolic process steroid biosynthetic process lipid metabolic process farnesyl diphosphate metabolic process phospholipid metabolic process organophosphate metabolic process phosphate-containing compound metabolic process phosphorus metabolic process terpenoid metabolic process isoprenoid metabolic process	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

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
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
A	IPR006449	Squalene synthase-like	Family
A	IPR044844	Trans-isoprenyl diphosphate synthases, eukaryotic-type	Family

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.