Annotations: 1S14

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1s14a_	Alpha and beta proteins (a+b)	ATPase domain of HSP90 chaperone/DNA topoisomerase II/histidine kinase	ATPase domain of HSP90 chaperone/DNA topoisomerase II/histidine kinase	DNA gyrase/MutL, N-terminal domain	Topoisomerase IV subunit B	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
B	d1s14b_	Alpha and beta proteins (a+b)	ATPase domain of HSP90 chaperone/DNA topoisomerase II/histidine kinase	ATPase domain of HSP90 chaperone/DNA topoisomerase II/histidine kinase	DNA gyrase/MutL, N-terminal domain	Topoisomerase IV subunit B	(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)
A	SCOP2 Family	DNA gyrase/MutL ATPase domain-like	8028830	4000168	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	GHKL (Gyrase, Hsp90, Histidine Kinase, MutL) domain-like	8041209	3000091	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	GHKL (Gyrase, Hsp90, Histidine Kinase, MutL) domain-like	8041209	3000091	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	HATPase_c_1	e1s14A1	A: a+b two layers	X: ATPase domain of HSP90 chaperone/DNA topoisomerase II/histidine kinase-like	H: ATPase domain of HSP90 chaperone/DNA topoisomerase II/histidine kinase (From Topology)	T: ATPase domain of HSP90 chaperone/DNA topoisomerase II/histidine kinase	F: HATPase_c_1	ECOD (1.6)
B	HATPase_c_1	e1s14B1	A: a+b two layers	X: ATPase domain of HSP90 chaperone/DNA topoisomerase II/histidine kinase-like	H: ATPase domain of HSP90 chaperone/DNA topoisomerase II/histidine kinase (From Topology)	T: ATPase domain of HSP90 chaperone/DNA topoisomerase II/histidine kinase	F: HATPase_c_1	ECOD (1.6)

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)
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)

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

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Topoisomerase IV subunit B	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding DNA binding nucleic acid binding ATP-dependent activity, acting on DNA isomerase activity catalytic activity, acting on DNA catalytic activity, acting on a nucleic acid DNA topoisomerase activity DNA topoisomerase type II (double strand cut, ATP-hydrolyzing) activity catalytic activity ATP-dependent activity cation binding metal ion binding	plasmid partitioning cellular process plasmid maintenance cell cycle chromosome segregation cell cycle process response to stimulus response to chemical response to antibiotic cellular component organization organelle organization chromosome organization cellular component organization or biogenesis sister chromatid cohesion plasmid partitioning cellular process plasmid maintenance cell cycle chromosome segregation cell cycle process response to stimulus response to chemical response to antibiotic cellular component organization organelle organization chromosome organization cellular component organization or biogenesis sister chromatid cohesion primary metabolic process DNA conformation change DNA metabolic process nucleic acid metabolic process nucleobase-containing compound metabolic process DNA topological change metabolic process macromolecule metabolic process	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol intracellular organelle organelle intracellular non-membrane-bounded organelle chromosome non-membrane-bounded organelle DNA topoisomerase type II (double strand cut, ATP-hydrolyzing) complex protein-containing complex catalytic complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR018522	DNA topoisomerase, type IIA, conserved site	Conserved Site
A, B	IPR013506	DNA topoisomerase, type IIA, subunit B, domain 2	Domain
A, B	IPR013760	DNA topoisomerase, type IIA-like domain superfamily	Homologous Superfamily
A, B	IPR036890	Histidine kinase/HSP90-like ATPase superfamily	Homologous Superfamily
A, B	IPR006171	TOPRIM domain	Domain
A, B	IPR003594	Histidine kinase/HSP90-like ATPase domain	Domain
A, B	IPR020568	Ribosomal protein uS5 domain 2-type superfamily	Homologous Superfamily
A, B	IPR001241	DNA topoisomerase, type IIA	Family
A, B	IPR002288	DNA gyrase B subunit, C-terminal	Domain
A, B	IPR014721	Small ribosomal subunit protein uS5 domain 2-type fold, subgroup	Homologous Superfamily
A, B	IPR005737	DNA topoisomerase IV, subunit B, Gram-negative	Family
A, B	IPR013759	DNA topoisomerase, type IIA, subunit B, C-terminal	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.