Annotations: 4YMR

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	F_UNCLASSIFIED	e4ymrA1	A: alpha superhelices	X: Repetitive alpha hairpins	H: ARM repeat (From Topology)	T: ARM repeat	F: F_UNCLASSIFIED	ECOD (1.6)
B	F_UNCLASSIFIED	e4ymrB1	A: alpha superhelices	X: Repetitive alpha hairpins	H: ARM repeat (From Topology)	T: ARM repeat	F: F_UNCLASSIFIED	ECOD (1.6)

Chains	Accession	Name	Description	Comments	Source
A, B	PF00787	PX domain (PX)	PX domain	PX domains bind to phosphoinositides.	Domain

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Protein Snx21	binding ion binding phosphatidylinositol-4,5-bisphosphate binding anion binding phosphatidylinositol bisphosphate binding phospholipid binding lipid binding phosphatidylinositol phosphate binding phosphatidylinositol binding small molecule binding phosphatidylinositol-3-phosphate binding	protein localization establishment of protein localization cellular localization nitrogen compound transport transport organic substance transport establishment of localization localization protein transport cellular macromolecule localization macromolecule localization cellular process	membrane-bounded organelle endosome membrane intracellular anatomical structure early endosome endosome membrane intracellular vesicle early endosome membrane cellular anatomical entity intracellular membrane-bounded organelle endomembrane system intracellular organelle cytoplasmic vesicle membrane bounding membrane of organelle membrane-bounded organelle endosome membrane intracellular anatomical structure early endosome endosome membrane intracellular vesicle early endosome membrane cellular anatomical entity intracellular membrane-bounded organelle endomembrane system intracellular organelle cytoplasmic vesicle membrane bounding membrane of organelle cytoplasmic vesicle vesicle membrane organelle cytoplasm vesicle organelle membrane

Chains	Accession	Name	Type
A, B	IPR011990	Tetratricopeptide-like helical domain superfamily	Homologous Superfamily
A, B	IPR039937	Sorting nexin SNX20/SNX21	Family
A, B	IPR001683	Phox homology	Domain
A, B	IPR036871	PX domain superfamily	Homologous Superfamily