Annotations: 3HPC

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A [auth X]	SCOP2 Family	PX domain	8101364	4003533	SCOP2 (2022-06-29)
A [auth X]	SCOP2 Superfamily	PX domain	8101365	3001006	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A [auth X]	PF00787	e3hpcX1	A: a+b two layers	X: PX domain (From Topology)	H: PX domain (From Topology)	T: PX domain	F: PF00787	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A [auth X]	3.30.1520.10	Alpha Beta	2-Layer Sandwich	PX Domain	Phox-like domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth X]	PF00787	PX domain (PX)	PX domain	PX domains bind to phosphoinositides.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth X]	Snx5 protein	binding phospholipid binding lipid binding phosphatidylinositol binding phosphatidylinositol-3,5-bisphosphate binding ion binding anion binding phosphatidylinositol bisphosphate binding phosphatidylinositol phosphate binding small molecule binding phosphatidylinositol-4-phosphate binding phosphatidylinositol-5-phosphate binding D1 dopamine receptor binding protein binding binding phospholipid binding lipid binding phosphatidylinositol binding phosphatidylinositol-3,5-bisphosphate binding ion binding anion binding phosphatidylinositol bisphosphate binding phosphatidylinositol phosphate binding small molecule binding phosphatidylinositol-4-phosphate binding phosphatidylinositol-5-phosphate binding D1 dopamine receptor binding protein binding signaling receptor binding G protein-coupled receptor binding dopamine receptor binding cytoskeletal protein binding dynactin binding	protein localization cellular localization establishment of protein localization nitrogen compound transport transport organic substance transport intracellular transport establishment of localization localization protein transport establishment of localization in cell cellular macromolecule localization macromolecule localization cellular process protein localization cellular localization establishment of protein localization nitrogen compound transport transport organic substance transport intracellular transport establishment of localization localization protein transport establishment of localization in cell cellular macromolecule localization macromolecule localization cellular process intracellular protein transport cellular response to stimulus cellular response to nitrogen compound positive regulation of cell communication response to organic substance regulation of cellular process positive regulation of signal transduction response to stimulus signaling response to peptide hormone positive regulation of biological process regulation of signal transduction insulin receptor signaling pathway regulation of cellular response to insulin stimulus cell surface receptor protein tyrosine kinase signaling pathway cell communication positive regulation of response to stimulus cellular response to endogenous stimulus response to hormone cellular response to organic substance signal transduction enzyme-linked receptor protein signaling pathway positive regulation of cellular process cellular response to hormone stimulus positive regulation of cellular response to insulin stimulus regulation of biological process regulation of signaling cell surface receptor signaling pathway response to endogenous stimulus response to organonitrogen compound regulation of insulin receptor signaling pathway positive regulation of insulin receptor signaling pathway biological regulation response to oxygen-containing compound cellular response to peptide hormone stimulus response to nitrogen compound cellular response to oxygen-containing compound cellular response to chemical stimulus cellular response to organonitrogen compound regulation of response to stimulus response to chemical response to insulin regulation of cell communication cellular response to insulin stimulus positive regulation of signaling vesicle-mediated transport endosomal transport cytosolic transport retrograde transport, endosome to Golgi positive regulation of macromolecule biosynthetic process regulation of primary metabolic process nucleobase-containing compound metabolic process positive regulation of metabolic process DNA-templated transcription regulation of RNA metabolic process organic substance biosynthetic process positive regulation of macromolecule metabolic process regulation of nucleobase-containing compound metabolic process positive regulation of nucleobase-containing compound metabolic process cellular metabolic process primary metabolic process regulation of cellular metabolic process positive regulation of RNA metabolic process organic cyclic compound metabolic process regulation of gene expression biosynthetic process organic cyclic compound biosynthetic process metabolic process regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of DNA-templated transcription regulation of metabolic process positive regulation of DNA-templated transcription cellular biosynthetic process RNA metabolic process positive regulation of cellular metabolic process RNA biosynthetic process nucleic acid biosynthetic process organic substance metabolic process positive regulation of biosynthetic process regulation of RNA biosynthetic process regulation of biosynthetic process regulation of macromolecule metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process regulation of cellular biosynthetic process positive regulation of RNA biosynthetic process positive regulation of cellular biosynthetic process catabolic process negative regulation of signaling negative regulation of ERBB signaling pathway negative regulation of biological process macromolecule catabolic process negative regulation of cell communication regulation of epidermal growth factor receptor signaling pathway negative regulation of cellular process epidermal growth factor receptor signaling pathway epidermal growth factor catabolic process protein metabolic process organonitrogen compound catabolic process regulation of ERBB signaling pathway organonitrogen compound metabolic process negative regulation of response to stimulus protein catabolic process negative regulation of signal transduction negative regulation of epidermal growth factor receptor signaling pathway ERBB signaling pathway organic substance catabolic process import into cell pinocytosis endocytosis multicellular organismal process system process circulatory system process regulation of blood pressure regulation of biological quality negative regulation of blood pressure blood circulation	cell projection macropinocytic cup cellular anatomical entity plasma membrane bounded cell projection protein-containing complex membrane membrane protein complex retromer complex endomembrane system intracellular anatomical structure cytoplasm cytosol cluster of actin-based cell projections brush border cell projection macropinocytic cup cellular anatomical entity plasma membrane bounded cell projection protein-containing complex membrane membrane protein complex retromer complex endomembrane system intracellular anatomical structure cytoplasm cytosol cluster of actin-based cell projections brush border membrane-bounded organelle endosome membrane cytoplasmic side of membrane early endosome intracellular vesicle early endosome membrane cytoplasmic side of endosome membrane intracellular organelle bounding membrane of organelle cytoplasmic vesicle vesicle membrane vesicle cytoplasmic side of early endosome membrane endosome intracellular membrane-bounded organelle side of membrane cytoplasmic vesicle membrane organelle organelle membrane tubular endosome ruffle cell leading edge perinuclear region of cytoplasm phagocytic cup cell periphery plasma membrane cytoplasmic side of plasma membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth X]	IPR014637	Sorting nexin-5/6/32	Family
A [auth X]	IPR042135	SNX5, PX domain	Domain
A [auth X]	IPR001683	Phox homology	Domain
A [auth X]	IPR028654	Sorting nexin-5, BAR domain	Domain
A [auth X]	IPR027267	AH/BAR domain superfamily	Homologous Superfamily
A [auth X]	IPR015404	Sorting nexin/Vps5-like, C-terminal	Domain
A [auth X]	IPR036871	PX domain superfamily	Homologous Superfamily

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A [auth X]	OPM				PX domain

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 R01GM133198.