2P58

Structure of the Yersinia pestis Type III secretion system needle protein YscF in complex with its chaperones YscE/YscG

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

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Type III secretion system needle-like	8053887	3000649	SCOP2B (2022-06-29)
C	SCOP2 Family	YscG-like	8044950	4004220	SCOP2 (2022-06-29)
C	SCOP2 Superfamily	TPR-like	8053881	3001345	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	PF08988	e2p58A1	A: alpha bundles	X: Type III secretion protein YscE (From Topology)	H: Type III secretion protein YscE (From Topology)	T: Type III secretion protein YscE	F: PF08988	ECOD (1.6)
C	PF09477	e2p58C1	A: alpha superhelices	X: Repetitive alpha hairpins	H: ARM repeat (From Topology)	T: ARM repeat	F: PF09477	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.20.5.420	Mainly Alpha	Up-down Bundle	Single alpha-helices involved in coiled-coils or other helix-helix interfaces	Immunoglobulin FC, subunit C	CATH (4.3.0)
C	1.25.40.10	Mainly Alpha	Alpha Horseshoe	Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat	Tetratricopeptide repeat domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF08988	Type III secretion system, cytoplasmic E component of needle (T3SS_needle_E)	Type III secretion system, cytoplasmic E component of needle	-	Family
B	PF09392	Type III secretion needle MxiH, YscF, SsaG, EprI, PscF, EscF (T3SS_needle_F)	Type III secretion needle MxiH, YscF, SsaG, EprI, PscF, EscF	-	Family
C	PF09477	Bacterial type II secretion system chaperone protein (type_III_yscG) (Type_III_YscG)	Bacterial type II secretion system chaperone protein (type_III_yscG)	-	Repeat

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Putative type III secretion protein YscE	-	-	intracellular anatomical structure cytoplasm cellular anatomical entity
B	Putative type III secretion protein YscF	-	protein localization establishment of protein localization cellular localization nitrogen compound transport transport secretion organic substance transport protein secretion by the type III secretion system establishment of protein localization to extracellular region export from cell protein secretion establishment of localization protein localization to extracellular region transmembrane transport localization protein localization establishment of protein localization cellular localization nitrogen compound transport transport secretion organic substance transport protein secretion by the type III secretion system establishment of protein localization to extracellular region export from cell protein secretion establishment of localization protein localization to extracellular region transmembrane transport localization secretion by cell protein transmembrane transport protein transport cellular macromolecule localization macromolecule localization cellular process	cell surface cellular anatomical entity extracellular region protein-containing complex type III protein secretion system complex
C	Putative type III secretion protein YscG	-	-	intracellular anatomical structure cytoplasm cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR012671	Type III export protein PscE/YscE	Family
B	IPR037203	Type III secretion, needle-protein-like superfamily	Homologous Superfamily
B	IPR021123	Type III secretion, needle-protein-like	Family
B	IPR011841	Type III secretion system, needle protein	Family
C	IPR011990	Tetratricopeptide-like helical domain superfamily	Homologous Superfamily
C	IPR013348	Type 3 secretion system chaperone YscG/PscG	Family

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.