Annotations: 4B2Z

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Oxysterol_BP	e4b2zA1	A: beta barrels	X: Oxysterol-binding protein (From Topology)	H: Oxysterol-binding protein (From Topology)	T: Oxysterol-binding protein	F: Oxysterol_BP	ECOD (1.6)
B	Oxysterol_BP	e4b2zB1	A: beta barrels	X: Oxysterol-binding protein (From Topology)	H: Oxysterol-binding protein (From Topology)	T: Oxysterol-binding protein	F: Oxysterol_BP	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF01237	Oxysterol-binding protein (Oxysterol_BP)	Oxysterol-binding protein	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Oxysterol-binding protein homolog 6	phosphatidylinositol-3,5-bisphosphate binding binding ion binding anion binding phosphatidylinositol bisphosphate binding phospholipid binding lipid binding phosphatidylinositol phosphate binding phosphatidylinositol binding small molecule binding sterol binding steroid binding phosphatidic acid binding sterol transfer activity phosphatidylinositol-3,5-bisphosphate binding binding ion binding anion binding phosphatidylinositol bisphosphate binding phospholipid binding lipid binding phosphatidylinositol phosphate binding phosphatidylinositol binding small molecule binding sterol binding steroid binding phosphatidic acid binding sterol transfer activity lipid transporter activity lipid transfer activity transporter activity phospholipid transporter activity phosphatidylinositol-3,4-bisphosphate binding phosphatidylinositol-4-phosphate binding phosphatidylinositol-5-phosphate binding modified amino acid binding phosphatidylserine binding	sterol metabolic process steroid metabolic process primary metabolic process metabolic process cellular process lipid metabolic process localization import into cell transport endocytosis establishment of localization vesicle-mediated transport catabolic process macroautophagy sterol metabolic process steroid metabolic process primary metabolic process metabolic process cellular process lipid metabolic process localization import into cell transport endocytosis establishment of localization vesicle-mediated transport catabolic process macroautophagy autophagy piecemeal microautophagy of the nucleus microautophagy nucleophagy process utilizing autophagic mechanism macromolecule localization phospholipid transport lipid localization lipid transport organophosphate ester transport maintenance of cell polarity establishment or maintenance of cell polarity sterol homeostasis chemical homeostasis homeostatic process lipid homeostasis secretion by cell exocytosis secretion export from cell sterol transport organic hydroxy compound transport	cellular anatomical structure membrane intracellular anatomical structure cytoplasm cytosol cell periphery plasma membrane membrane-bounded organelle organelle subcompartment intracellular membrane-bounded organelle endomembrane system endoplasmic reticulum subcompartment intracellular organelle organelle cellular anatomical structure membrane intracellular anatomical structure cytoplasm cytosol cell periphery plasma membrane membrane-bounded organelle organelle subcompartment intracellular membrane-bounded organelle endomembrane system endoplasmic reticulum subcompartment intracellular organelle organelle nuclear outer membrane-endoplasmic reticulum membrane network endoplasmic reticulum organelle membrane endoplasmic reticulum membrane cell cortex cortical endoplasmic reticulum endoplasmic reticulum tubular network

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR018494	Oxysterol-binding protein, conserved site	Conserved Site
A, B	IPR037239	Oxysterol-binding protein superfamily	Homologous Superfamily
A, B	IPR000648	Oxysterol-binding protein	Family

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A, B	OPM				OSBP-related proteins

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.