2CG9 | pdb_00002cg9

Crystal structure of an Hsp90-Sba1 closed chaperone complex

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	GHKL (Gyrase, Hsp90, Histidine Kinase, MutL) domain-like	8042891	3000091	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Ribosomal protein S5 domain 2-like	8042005	3000100	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	HSP90 middle pre-C-terminal domain	8056863	3002364	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	HSP90 middle pre-C-terminal domain	8056863	3002364	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	GHKL (Gyrase, Hsp90, Histidine Kinase, MutL) domain-like	8042891	3000091	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Ribosomal protein S5 domain 2-like	8042005	3000100	SCOP2B (2022-06-29)
C [auth X]	SCOP2 Family	Co-chaperone p23-like	8085070	4002443	SCOP2 (2022-06-29)
C [auth X]	SCOP2 Superfamily	Hsp20 chaperone-like	8085071	3001242	SCOP2 (2022-06-29)
D [auth Y]	SCOP2B Superfamily	Hsp20 chaperone-like	8085071	3001242	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)
A	LMWPc	e2cg9A2	A: alpha bundles	X: Globin-like	H: Globin-like	T: Globin-like	F: LMWPc	ECOD (develop294)
A	Ribosomal_L12_N	e2cg9A4	A: alpha bundles	X: Fusion glycoprotein F2	H: MoeA-I/Ornithine decarboxylase-C/Reverse ferredoxin-like domain in RNA-polymerase	T: MoeA-I/Ornithine decarboxylase-C/Reverse ferredoxin-like domain in RNA-polymerase	F: Ribosomal_L12_N	ECOD (develop294)
B	Hepar_II_III	e2cg9B2	A: alpha bundles	X: HTH	H: Nudix	T: winged helix domain	F: Hepar_II_III	ECOD (develop294)
B	Peptidase_M49	e2cg9B1	A: alpha bundles	X: Subtilisin-like	H: Subtilisin-like	T: Subtilisin-like	F: Peptidase_M49	ECOD (develop294)
C [auth X]	Ter	e2cg9X1	A: alpha bundles	X: Globin-like	H: Globin-like	T: Globin-like	F: Ter	ECOD (develop294)
D [auth Y]	Hepar_II_III	e2cg9Y1	A: alpha bundles	X: HTH	H: Nudix	T: winged helix domain	F: Hepar_II_III	ECOD (develop294)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.565.10	Alpha Beta	2-Layer Sandwich	Heat Shock Protein 90	Histidine kinase-like ATPase, C-terminal domain	CATH (4.3.0)
A	3.30.230.80	Alpha Beta	2-Layer Sandwich	Ribosomal Protein S5	domain 2	CATH (4.3.0)
B	3.30.565.10	Alpha Beta	2-Layer Sandwich	Heat Shock Protein 90	Histidine kinase-like ATPase, C-terminal domain	CATH (4.3.0)
B	3.30.230.80	Alpha Beta	2-Layer Sandwich	Ribosomal Protein S5	domain 2	CATH (4.3.0)
C [auth X]	2.60.40.790	Mainly Beta	Sandwich	Immunoglobulin-like		CATH (4.3.0)
D [auth Y]	2.60.40.790	Mainly Beta	Sandwich	Immunoglobulin-like		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF02518	Histidine kinase-, DNA gyrase B-, and HSP90-like ATPase (HATPase_c)	Histidine kinase-, DNA gyrase B-, and HSP90-like ATPase	This family represents the structurally related ATPase domains of histidine kinase, DNA gyrase B and HSP90.	Domain
A, B	PF00183	Hsp90 protein (HSP90)	Hsp90 protein	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	ATP-DEPENDENT MOLECULAR CHAPERONE HSP82	ATP-dependent protein folding chaperone protein folding chaperone ATP-dependent activity binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding ATP-dependent protein folding chaperone protein folding chaperone ATP-dependent activity binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding unfolded protein binding protein binding pyrophosphatase activity ATP hydrolysis activity ribonucleoside triphosphate phosphatase activity hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides hydrolase activity hydrolase activity, acting on acid anhydrides catalytic activity identical protein binding	protein refolding primary metabolic process gene expression macromolecule biosynthetic process protein maturation protein folding biosynthetic process metabolic process cellular process protein metabolic process macromolecule metabolic process regulation of protein stability biological regulation regulation of biological quality protein refolding primary metabolic process gene expression macromolecule biosynthetic process protein maturation protein folding biosynthetic process metabolic process cellular process protein metabolic process macromolecule metabolic process regulation of protein stability biological regulation regulation of biological quality protein stabilization cellular response to stimulus cellular response to heat response to stimulus cellular response to stress response to stress response to heat response to abiotic stimulus response to temperature stimulus cellular component organization cellular component biogenesis proteasome assembly cellular component assembly protein-containing complex organization protein-containing complex assembly cellular component organization or biogenesis response to oxygen levels regulation of telomere maintenance regulation of cellular component organization regulation of cellular process telomere organization regulation of primary metabolic process nucleobase-containing compound metabolic process regulation of nucleobase-containing compound metabolic process regulation of biological process chromosome organization regulation of chromosome organization regulation of macromolecule metabolic process DNA metabolic process regulation of organelle organization nucleic acid metabolic process telomere maintenance organelle organization regulation of metabolic process regulation of DNA metabolic process ribonucleoprotein complex biogenesis small nucleolar ribonucleoprotein complex assembly protein-RNA complex assembly protein-RNA complex organization box C/D snoRNP assembly positive regulation of organelle organization regulation of DNA biosynthetic process positive regulation of macromolecule biosynthetic process RNA-templated DNA biosynthetic process telomere maintenance via telomere lengthening positive regulation of metabolic process positive regulation of telomere maintenance via telomere lengthening positive regulation of macromolecule metabolic process positive regulation of telomere maintenance regulation of telomere maintenance via telomere lengthening positive regulation of chromosome organization positive regulation of DNA metabolic process positive regulation of telomere maintenance via telomerase regulation of macromolecule biosynthetic process DNA biosynthetic process positive regulation of cellular component organization positive regulation of biological process nucleic acid biosynthetic process positive regulation of biosynthetic process positive regulation of cellular process regulation of biosynthetic process telomere maintenance via telomerase positive regulation of DNA biosynthetic process nucleobase-containing compound biosynthetic process regulation of telomere maintenance via telomerase 'de novo' protein folding response to osmotic stress	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol cell periphery plasma membrane membrane protein-containing complex perinuclear region of cytoplasm membrane-bounded organelle intracellular organelle organelle nucleus intracellular membrane-bounded organelle
C [auth X], D [auth Y]	CO-CHAPERONE PROTEIN SBA1	Hsp90 protein binding protein binding binding heat shock protein binding protein-folding chaperone binding	cellular component organization cellular component biogenesis cellular component assembly chaperone-mediated protein complex assembly protein-containing complex organization protein-containing complex assembly cellular process cellular component organization or biogenesis positive regulation of organelle organization regulation of cellular process telomere organization regulation of DNA biosynthetic process positive regulation of macromolecule biosynthetic process RNA-templated DNA biosynthetic process cellular component organization cellular component biogenesis cellular component assembly chaperone-mediated protein complex assembly protein-containing complex organization protein-containing complex assembly cellular process cellular component organization or biogenesis positive regulation of organelle organization regulation of cellular process telomere organization regulation of DNA biosynthetic process positive regulation of macromolecule biosynthetic process RNA-templated DNA biosynthetic process regulation of primary metabolic process nucleobase-containing compound metabolic process telomere maintenance via telomere lengthening positive regulation of metabolic process positive regulation of telomere maintenance via telomere lengthening positive regulation of macromolecule metabolic process regulation of nucleobase-containing compound metabolic process regulation of biological process positive regulation of telomere maintenance primary metabolic process DNA metabolic process regulation of chromosome organization regulation of telomere maintenance via telomere lengthening regulation of organelle organization positive regulation of chromosome organization telomere maintenance biosynthetic process positive regulation of DNA metabolic process positive regulation of telomere maintenance via telomerase metabolic process regulation of macromolecule biosynthetic process macromolecule metabolic process DNA biosynthetic process regulation of metabolic process regulation of DNA metabolic process regulation of telomere maintenance regulation of cellular component organization positive regulation of cellular component organization positive regulation of biological process nucleic acid biosynthetic process positive regulation of biosynthetic process positive regulation of cellular process regulation of biosynthetic process telomere maintenance via telomerase biological regulation chromosome organization positive regulation of DNA biosynthetic process regulation of macromolecule metabolic process nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process regulation of telomere maintenance via telomerase organelle organization protein folding protein metabolic process gene expression protein maturation	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol membrane-bounded organelle intracellular organelle organelle nucleus intracellular membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR020575	Heat shock protein Hsp90, N-terminal	Domain
A, B	IPR036890	Histidine kinase/HSP90-like ATPase superfamily	Homologous Superfamily
A, B	IPR037196	HSP90, C-terminal domain	Homologous Superfamily
A, B	IPR003594	Histidine kinase/HSP90-like ATPase domain	Domain
A, B	IPR020568	Ribosomal protein uS5 domain 2-type superfamily	Homologous Superfamily
A, B	IPR001404	Heat shock protein Hsp90 family	Family
A, B	IPR019805	Heat shock protein Hsp90, conserved site	Conserved Site
C [auth X], D [auth Y]	IPR007052	CS domain	Domain
C [auth X], D [auth Y]	IPR045250	Co-chaperone protein p23-like	Family
C [auth X], D [auth Y]	IPR008978	HSP20-like chaperone	Homologous Superfamily

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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.