Annotations: 4NQI

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF08397	e4nqiA1	A: alpha duplicates or obligate multimers	X: BAR/IMD domain-like	H: BAR/IMD domain-like (From Topology)	T: BAR/IMD domain-like	F: PF08397	ECOD (1.6)
B	PF08397	e4nqiB1	A: alpha duplicates or obligate multimers	X: BAR/IMD domain-like	H: BAR/IMD domain-like (From Topology)	T: BAR/IMD domain-like	F: PF08397	ECOD (1.6)
C	PF08397	e4nqiC1	A: alpha duplicates or obligate multimers	X: BAR/IMD domain-like	H: BAR/IMD domain-like (From Topology)	T: BAR/IMD domain-like	F: PF08397	ECOD (1.6)
D	PF08397	e4nqiD1	A: alpha duplicates or obligate multimers	X: BAR/IMD domain-like	H: BAR/IMD domain-like (From Topology)	T: BAR/IMD domain-like	F: PF08397	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.20.1270.60	Mainly Alpha	Up-down Bundle	Substrate Binding Domain Of Dnak	Chain:A	CATH (4.3.0)
B	1.20.1270.60	Mainly Alpha	Up-down Bundle	Substrate Binding Domain Of Dnak	Chain:A	CATH (4.3.0)
C	1.20.1270.60	Mainly Alpha	Up-down Bundle	Substrate Binding Domain Of Dnak	Chain:A	CATH (4.3.0)
D	1.20.1270.60	Mainly Alpha	Up-down Bundle	Substrate Binding Domain Of Dnak	Chain:A	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF08397	IRSp53/MIM homology domain (IMD)	IRSp53/MIM homology domain	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	SH3 domain-containing protein	binding phospholipid binding lipid binding phosphatidylinositol binding identical protein binding protein binding	membrane organization cellular component organization membrane invagination cellular process cellular component organization or biogenesis mitotic cell cycle process cytoskeleton-dependent cytokinesis mitotic cytokinesis cytokinesis cell division cell cycle mitotic cell cycle cell cycle process plasma membrane organization membrane organization cellular component organization membrane invagination cellular process cellular component organization or biogenesis mitotic cell cycle process cytoskeleton-dependent cytokinesis mitotic cytokinesis cytokinesis cell division cell cycle mitotic cell cycle cell cycle process plasma membrane organization endomembrane system organization localization import into cell transport phagocytosis endocytosis establishment of localization vesicle-mediated transport cellular component biogenesis cellular component assembly developmental process sorocarp development sorocarp stalk development culmination involved in sorocarp development biological process involved in intraspecies interaction between organisms anatomical structure development socially cooperative development regulated exocytosis secretion export from cell pore formation during contractile vacuole discharge contractile vacuole discharge secretion by cell exocytosis exocytic process cellular response to stimulus response to osmotic stress response to stimulus cellular hypotonic response cellular response to chemical stress cellular response to osmotic stress cellular response to environmental stimulus hypotonic response cellular response to chemical stimulus cellular response to stress response to stress response to chemical response to abiotic stimulus cellular response to abiotic stimulus clathrin-dependent endocytosis receptor-mediated endocytosis regulation of cellular component size homeostatic process cell volume homeostasis biological regulation cellular homeostasis intracellular water homeostasis chemical homeostasis intracellular chemical homeostasis regulation of biological quality regulation of cell size regulation of anatomical structure size	membrane-bounded organelle vacuolar membrane intracellular anatomical structure membrane intracellular vesicle vacuole cellular anatomical entity intracellular membrane-bounded organelle contractile vacuolar membrane intracellular organelle cytoplasmic vesicle membrane bounding membrane of organelle contractile vacuole complex cytoplasmic vesicle membrane-bounded organelle vacuolar membrane intracellular anatomical structure membrane intracellular vesicle vacuole cellular anatomical entity intracellular membrane-bounded organelle contractile vacuolar membrane intracellular organelle cytoplasmic vesicle membrane bounding membrane of organelle contractile vacuole complex cytoplasmic vesicle vesicle membrane contractile vacuole organelle intracellular non-membrane-bounded organelle cytoplasm vesicle organelle membrane non-membrane-bounded organelle filopodium tip cell projection actin-based cell projection filopodium plasma membrane bounded cell projection phagocytic vesicle endocytic vesicle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR001452	SH3 domain	Domain
A, B, C, D	IPR036028	SH3-like domain superfamily	Homologous Superfamily
A, B, C, D	IPR013606	IMD/I-BAR domain	Domain
A, B, C, D	IPR027267	AH/BAR domain superfamily	Homologous Superfamily

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.