Annotations: 1Z9S

Crystal Structure of the native chaperone:subunit:subunit Caf1M:Caf1:Caf1 complex

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
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: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
C	d1z9sc_	All beta proteins	Common fold of diphtheria toxin/transcription factors/cytochrome f	Bacterial adhesins	Pilus subunits	F1 capsule antigen Caf1	(Yersinia pestis ) [TaxId: 632 ],	SCOPe (2.08)
B	d1z9sb1	All beta proteins	Common fold of diphtheria toxin/transcription factors/cytochrome f	Bacterial adhesins	Pilus subunits	F1 capsule antigen Caf1	(Yersinia pestis ) [TaxId: 632 ],	SCOPe (2.08)
A	d1z9sa1	All beta proteins	Immunoglobulin-like beta-sandwich	PapD-like	Pilus chaperone	Chaperone protein Caf1m	(Yersinia pestis ) [TaxId: 632 ],	SCOPe (2.08)
A	d1z9sa2	All beta proteins	C2 domain-like	Periplasmic chaperone C-domain	Periplasmic chaperone C-domain	Caf1m	(Yersinia pestis ) [TaxId: 632 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
C	SCOP2B Superfamily	Bacterial adhesin-like	8034616	3000723	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Bacterial adhesin-like	8034616	3000723	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	PapD-like	8055321	3002067	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Periplasmic chaperone C-domain	8034615	3000998	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
C	B	e1z9sC1	A: alpha arrays	X: HTH	H: HTH	T: tetra-helical, lambda repressor-like	F: B	ECOD (v295.2)
B	Ldl_recept_b	e1z9sB1	A: alpha arrays	X: Phage tail fiber protein trimerization domain	H: Phage tail fiber protein trimerization domain	T: Phage tail fiber protein trimerization domain	F: Ldl_recept_b	ECOD (v295.2)
A	Glyco_hydro_2	e1z9sA3	A: alpha arrays	X: Fusion glycoprotein F2	H: Fusion glycoprotein F2	T: Fusion glycoprotein F2	F: Glyco_hydro_2	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
C	2.60.40.1090	Mainly Beta	Sandwich	Immunoglobulin-like	Fimbrial-type adhesion domain	CATH (4.3.0)
B	2.60.40.1090	Mainly Beta	Sandwich	Immunoglobulin-like	Fimbrial-type adhesion domain	CATH (4.3.0)
A	2.60.40.10	Mainly Beta	Sandwich	Immunoglobulin-like	Immunoglobulins	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
B, C	PF09255	Caf1 Capsule antigen (Antig_Caf1)	Caf1 Capsule antigen	Members of this family are predominantly found in the F1 capsule antigen Caf1 synthesised by Yersinia bacteria. They adopt a structure consisting of a seven strands arranged in two beta-sheets, in a Greek-key topology, and mediate targeting of the ba ...	Members of this family are predominantly found in the F1 capsule antigen Caf1 synthesised by Yersinia bacteria. They adopt a structure consisting of a seven strands arranged in two beta-sheets, in a Greek-key topology, and mediate targeting of the bacterium to sites of infection [1].	Domain
A	PF02753	Pili assembly chaperone PapD, C-terminal domain (PapD_C)	Pili assembly chaperone PapD, C-terminal domain	Ig-like beta-sandwich fold. This domain is the C-terminal part of the pilus and flagellar-assembly chaperone protein PapD.	Domain
A	PF00345	Pili and flagellar-assembly chaperone, PapD N-terminal domain (PapD_N)	Pili and flagellar-assembly chaperone, PapD N-terminal domain	C2 domain-like beta-sandwich fold. This domain is the n-terminal part of the PapD chaperone protein for pilus and flagellar assembly.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B, C	F1 capsule antigen	-	cell adhesion cellular process	cellular anatomical structure external encapsulating structure extracellular region glycocalyx capsule pilus cell projection
A	Chaperone protein Caf1M	protein folding chaperone	protein folding biosynthetic process metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process gene expression macromolecule biosynthetic process protein maturation cellular component organization cell wall organization or biogenesis cell wall organization cellular component organization or biogenesis protein folding biosynthetic process metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process gene expression macromolecule biosynthetic process protein maturation cellular component organization cell wall organization or biogenesis cell wall organization cellular component organization or biogenesis external encapsulating structure organization	cellular anatomical structure extracellular region outer membrane-bounded periplasmic space cell envelope periplasmic space

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B, C	IPR036937	Fimbrial-type adhesion domain superfamily	Homologous Superfamily
B, C	IPR008966	Adhesion domain superfamily	Homologous Superfamily
B, C	IPR015335	Caf1	Unknown
A	IPR036316	Pili assembly chaperone, C-terminal domain superfamily	Homologous Superfamily
A	IPR013783	Immunoglobulin-like fold	Homologous Superfamily
A	IPR050643	Periplasmic Pilus Chaperone	Family
A	IPR001829	Chaperone protein FimC-like	Family
A	IPR016148	Pili assembly chaperone, C-terminal	Domain
A	IPR008962	PapD-like superfamily	Homologous Superfamily
A	IPR016147	Pili assembly chaperone, N-terminal	Domain
A	IPR018046	Pili assembly chaperone, conserved site	Conserved Site