4CCA | pdb_00004cca

Structure of human Munc18-2

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Sec1/munc18-like (SM) proteins	8066430	4002933	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Sec1/munc18-like	8066431	3001920	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	Sec1_3rd	e4ccaA3	A: alpha complex topology	X: alpha-helical domain in sec1/munc18-like (SM) proteins (From Topology)	H: alpha-helical domain in sec1/munc18-like (SM) proteins (From Topology)	T: alpha-helical domain in sec1/munc18-like (SM) proteins	F: Sec1_3rd	ECOD (1.6)
A	Sec1_1st_1	e4ccaA1	A: a/b three-layered sandwiches	X: Rossmann-like domains in Sec1/munc18-like proteins (From Topology)	H: Rossmann-like domains in Sec1/munc18-like proteins (From Topology)	T: Rossmann-like domains in Sec1/munc18-like proteins	F: Sec1_1st_1	ECOD (1.6)
A	Sec1_2nd	e4ccaA4	A: a/b three-layered sandwiches	X: Rossmann-like domains in Sec1/munc18-like proteins (From Topology)	H: Rossmann-like domains in Sec1/munc18-like proteins (From Topology)	T: Rossmann-like domains in Sec1/munc18-like proteins	F: Sec1_2nd	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.50.2060	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Sec1/Munc18 (SM) protein, domain 1	CATH (4.3.0)
A	3.40.50.1910	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Sec1/Munc18 (SM) protein, domain 2	CATH (4.3.0)
A	3.90.830.10	Alpha Beta	Alpha-Beta Complex	Syntaxin Binding Protein 1	Chain A, domain 2	CATH (4.3.0)
A	1.25.40.60	Mainly Alpha	Alpha Horseshoe	Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00995	Sec1 family (Sec1)	Sec1 family	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	SYNTAXIN-BINDING PROTEIN 2	syntaxin-1 binding protein binding binding SNARE binding syntaxin binding syntaxin-3 binding	immune system process leukocyte mediated immunity cellular process leukocyte mediated cytotoxicity cell killing immune effector process transport secretion export from cell membrane docking establishment of localization vesicle-mediated transport localization organelle localization by membrane tethering immune system process leukocyte mediated immunity cellular process leukocyte mediated cytotoxicity cell killing immune effector process transport secretion export from cell membrane docking establishment of localization vesicle-mediated transport localization organelle localization by membrane tethering secretion by cell exocytosis organelle localization vesicle docking exocytic process vesicle docking involved in exocytosis neutrophil activation multicellular organismal process regulated exocytosis cellular localization response to stimulus cell activation involved in immune response leukocyte degranulation myeloid leukocyte mediated immunity myeloid leukocyte activation leukocyte activation neutrophil mediated immunity neutrophil activation involved in immune response establishment of localization in cell leukocyte activation involved in immune response neutrophil degranulation immune response cell activation myeloid cell activation involved in immune response granulocyte activation establishment of protein localization nitrogen compound transport intracellular transport protein transport macromolecule localization intracellular protein localization intracellular protein transport biological process involved in interspecies interaction between organisms response to other organism defense response response to type II interferon response to cytokine defense response to symbiont response to external stimulus cellular response to type II interferon response to biotic stimulus response to peptide response to chemical defense response to other organism response to stress innate immune response cellular response to cytokine stimulus response to external biotic stimulus establishment of organelle localization signaling synaptic vesicle cycle synaptic vesicle exocytosis cell communication vesicle-mediated transport in synapse synaptic signaling dense core granule localization signal release presynaptic dense core vesicle exocytosis secretory granule localization calcium-ion regulated exocytosis vesicle localization calcium ion-regulated exocytosis of neurotransmitter trans-synaptic signaling regulation of biological process neurotransmitter secretion establishment of vesicle localization biological regulation neuronal dense core vesicle exocytosis cell-cell signaling dense core granule exocytosis neurotransmitter transport chemical synaptic transmission signal release from synapse anterograde trans-synaptic signaling regulation of immune effector process regulation of localization regulation of myeloid leukocyte mediated immunity regulation of cellular process regulation of immune system process vacuolar localization mast cell degranulation regulation of secretion regulation of leukocyte mediated immunity lysosome localization regulation of mast cell degranulation regulation of regulated secretory pathway regulation of secretion by cell mast cell activation regulation of leukocyte degranulation mast cell mediated immunity regulation of transport regulation of vesicle-mediated transport mast cell activation involved in immune response regulation of exocytosis	cell periphery cellular anatomical structure apical part of cell membrane plasma membrane plasma membrane region apical plasma membrane membrane-bounded organelle intracellular anatomical structure lytic vacuole cytolytic granule vacuole intracellular membrane-bounded organelle intracellular organelle cell periphery cellular anatomical structure apical part of cell membrane plasma membrane plasma membrane region apical plasma membrane membrane-bounded organelle intracellular anatomical structure lytic vacuole cytolytic granule vacuole intracellular membrane-bounded organelle intracellular organelle organelle cytoplasm lysosome extracellular exosome extracellular vesicle extracellular organelle extracellular region extracellular space vesicle extracellular membrane-bounded organelle cytosol intracellular vesicle phagocytic vesicle cytoplasmic vesicle endocytic vesicle endomembrane system secretory granule secretory vesicle presynapse synapse cell junction azurophil granule primary lysosome zymogen granule zymogen granule membrane cytoplasmic vesicle membrane bounding membrane of organelle vesicle membrane organelle membrane secretory granule membrane specific granule tertiary granule

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR043154	Sec1-like, domain 1	Homologous Superfamily
A	IPR036045	Sec1-like superfamily	Homologous Superfamily
A	IPR027482	Sec1-like, domain 2	Homologous Superfamily
A	IPR043127	Sec1-like, domain 3a	Homologous Superfamily
A	IPR001619	Sec1-like protein	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: Q15833	familial hemophagocytic lymphohistiocytosis 5 hemophagocytic syndrome Chediak-Higashi syndrome familial hemophagocytic lymphohistiocytosis type 1 leukodystrophy rheumatoid arthritis chronic obstructive pulmonary disease Griscelli syndrome osteosarcoma psoriasis

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.