1FPO

HSC20 (HSCB), A J-TYPE CO-CHAPERONE FROM E. COLI

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 Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B	d1fpob1	All alpha proteins	Long alpha-hairpin	Chaperone J-domain	Chaperone J-domain	HSC20 (HSCB), N-terminal (J) domain	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
B	d1fpob2	All alpha proteins	Open three-helical up-and-down bundle	HSC20 (HSCB), C-terminal oligomerisation domain	HSC20 (HSCB), C-terminal oligomerisation domain	HSC20 (HSCB), C-terminal oligomerisation domain	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
A	d1fpoa1	All alpha proteins	Long alpha-hairpin	Chaperone J-domain	Chaperone J-domain	HSC20 (HSCB), N-terminal (J) domain	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
A	d1fpoa2	All alpha proteins	Open three-helical up-and-down bundle	HSC20 (HSCB), C-terminal oligomerisation domain	HSC20 (HSCB), C-terminal oligomerisation domain	HSC20 (HSCB), C-terminal oligomerisation domain	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
C	d1fpoc1	All alpha proteins	Long alpha-hairpin	Chaperone J-domain	Chaperone J-domain	HSC20 (HSCB), N-terminal (J) domain	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
C	d1fpoc2	All alpha proteins	Open three-helical up-and-down bundle	HSC20 (HSCB), C-terminal oligomerisation domain	HSC20 (HSCB), C-terminal oligomerisation domain	HSC20 (HSCB), C-terminal oligomerisation domain	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	HSC20 (HSCB) C-terminal oligomerisation domain	8036829	3001450	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Chaperone J-domain	8036312	3000721	SCOP2B (2022-06-29)
A	SCOP2 Family	HSC20 (HSCB) C-terminal oligomerisation domain	8024450	4000800	SCOP2 (2022-06-29)
A	SCOP2 Family	Chaperone J-domain	8023933	4000605	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	HSC20 (HSCB) C-terminal oligomerisation domain	8036829	3001450	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Chaperone J-domain	8036312	3000721	SCOP2 (2022-06-29)
C	SCOP2B Superfamily	Chaperone J-domain	8036312	3000721	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	HSC20 (HSCB) C-terminal oligomerisation domain	8036829	3001450	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)
B	HSCB_C	e1fpoB2	A: alpha bundles	X: YvfG-like	H: HSC20 (HSCB), C-terminal oligomerisation domain (From Topology)	T: HSC20 (HSCB), C-terminal oligomerisation domain	F: HSCB_C	ECOD (1.6)
B	DnaJ	e1fpoB1	A: alpha bundles	X: Chaperone J-domain (From Topology)	H: Chaperone J-domain (From Topology)	T: Chaperone J-domain	F: DnaJ	ECOD (1.6)
A	HSCB_C	e1fpoA2	A: alpha bundles	X: YvfG-like	H: HSC20 (HSCB), C-terminal oligomerisation domain (From Topology)	T: HSC20 (HSCB), C-terminal oligomerisation domain	F: HSCB_C	ECOD (1.6)
A	DnaJ	e1fpoA1	A: alpha bundles	X: Chaperone J-domain (From Topology)	H: Chaperone J-domain (From Topology)	T: Chaperone J-domain	F: DnaJ	ECOD (1.6)
C	HSCB_C	e1fpoC2	A: alpha bundles	X: YvfG-like	H: HSC20 (HSCB), C-terminal oligomerisation domain (From Topology)	T: HSC20 (HSCB), C-terminal oligomerisation domain	F: HSCB_C	ECOD (1.6)
C	DnaJ	e1fpoC1	A: alpha bundles	X: Chaperone J-domain (From Topology)	H: Chaperone J-domain (From Topology)	T: Chaperone J-domain	F: DnaJ	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	1.10.287.110	Mainly Alpha	Orthogonal Bundle	Helix Hairpins	DnaJ domain	CATH (4.3.0)
B	1.20.1280.20	Mainly Alpha	Up-down Bundle	Monooxygenase	HscB, C-terminal domain	CATH (4.3.0)
A	1.10.287.110	Mainly Alpha	Orthogonal Bundle	Helix Hairpins	DnaJ domain	CATH (4.3.0)
A	1.20.1280.20	Mainly Alpha	Up-down Bundle	Monooxygenase	HscB, C-terminal domain	CATH (4.3.0)
C	1.10.287.110	Mainly Alpha	Orthogonal Bundle	Helix Hairpins	DnaJ domain	CATH (4.3.0)
C	1.20.1280.20	Mainly Alpha	Up-down Bundle	Monooxygenase	HscB, C-terminal domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C	PF07743	HSCB C-terminal oligomerisation domain (HSCB_C)	HSCB C-terminal oligomerisation domain	This domain is the HSCB C-terminal oligomerisation domain and is found on co-chaperone proteins.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C	CHAPERONE PROTEIN HSCB	ATPase activator activity molecular function activator activity molecular function regulator activity ATPase regulator activity protein binding binding protein-folding chaperone binding	cellular component organization cellular component biogenesis cellular component assembly protein-containing complex organization protein complex oligomerization protein-containing complex assembly cellular process cellular component organization or biogenesis organonitrogen compound metabolic process cellular biosynthetic process cellular metabolic process primary metabolic process gene expression macromolecule biosynthetic process cellular component organization cellular component biogenesis cellular component assembly protein-containing complex organization protein complex oligomerization protein-containing complex assembly cellular process cellular component organization or biogenesis organonitrogen compound metabolic process cellular biosynthetic process cellular metabolic process primary metabolic process gene expression macromolecule biosynthetic process protein maturation organic substance metabolic process protein folding biosynthetic process organic substance biosynthetic process nitrogen compound metabolic process metabolic process protein metabolic process macromolecule metabolic process protein maturation by iron-sulfur cluster transfer metallo-sulfur cluster assembly iron-sulfur cluster assembly [2Fe-2S] cluster assembly	protein-containing complex intracellular anatomical structure iron-sulfur cluster transfer complex catalytic complex transferase complex cytoplasm cellular anatomical entity cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C	IPR004640	Co-chaperone Hsc20	Family
A, B, C	IPR036869	Chaperone J-domain superfamily	Homologous Superfamily
A, B, C	IPR001623	DnaJ domain	Domain
A, B, C	IPR036386	HscB, C-terminal domain superfamily	Homologous Superfamily
A, B, C	IPR009073	Co-chaperone HscB, C-terminal oligomerisation domain	Domain

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.