3IFZ

crystal structure of the first part of the Mycobacterium tuberculosis DNA gyrase reaction core: the breakage and reunion domain at 2.7 A resolution

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: ECOD Classification
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)
A	d3ifza_	Multi-domain proteins (alpha and beta)	Type II DNA topoisomerase C-terminal domain-like	Type II DNA topoisomerase C-terminal domain-like	automated matches	automated matches	(Mycobacterium tuberculosis H37Rv ) [TaxId: 83332 ],	SCOPe (2.08)
B	d3ifzb_	Multi-domain proteins (alpha and beta)	Type II DNA topoisomerase C-terminal domain-like	Type II DNA topoisomerase C-terminal domain-like	automated matches	automated matches	(Mycobacterium tuberculosis H37Rv ) [TaxId: 83332 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF00521	e3ifzA1	A: alpha arrays	X: HTH	H: HTH	T: winged	F: PF00521	ECOD (1.6)
A	PF00521	e3ifzA2	A: alpha bundles	X: alpha-helical domain in type II DNA topoisomerase (From Topology)	H: alpha-helical domain in type II DNA topoisomerase (From Topology)	T: alpha-helical domain in type II DNA topoisomerase	F: PF00521	ECOD (1.6)
A	PF00521	e3ifzA3	A: a+b two layers	X: a+b domain in type II DNA topoisomerase (From Topology)	H: a+b domain in type II DNA topoisomerase (From Topology)	T: a+b domain in type II DNA topoisomerase	F: PF00521	ECOD (1.6)
B	PF00521	e3ifzB3	A: alpha arrays	X: HTH	H: HTH	T: winged	F: PF00521	ECOD (1.6)
B	PF00521	e3ifzB2	A: alpha bundles	X: alpha-helical domain in type II DNA topoisomerase (From Topology)	H: alpha-helical domain in type II DNA topoisomerase (From Topology)	T: alpha-helical domain in type II DNA topoisomerase	F: PF00521	ECOD (1.6)
B	PF00521	e3ifzB1	A: a+b two layers	X: a+b domain in type II DNA topoisomerase (From Topology)	H: a+b domain in type II DNA topoisomerase (From Topology)	T: a+b domain in type II DNA topoisomerase	F: PF00521	ECOD (1.6)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF00521	DNA gyrase/topoisomerase IV, subunit A (DNA_topoisoIV)	DNA gyrase/topoisomerase IV, subunit A	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	DNA gyrase subunit A	cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding purine nucleotide binding organic cyclic compound binding anion binding cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding DNA binding nucleic acid binding ATP-dependent activity, acting on DNA isomerase activity DNA negative supercoiling 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 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	response to stimulus response to chemical response to antibiotic nucleobase-containing compound metabolic process organic cyclic compound metabolic process DNA-templated DNA replication DNA replication organic substance metabolic process metabolic process primary metabolic process DNA metabolic process macromolecule metabolic process nucleic acid metabolic process chromosome organization response to stimulus response to chemical response to antibiotic nucleobase-containing compound metabolic process organic cyclic compound metabolic process DNA-templated DNA replication DNA replication organic substance metabolic process metabolic process primary metabolic process DNA metabolic process macromolecule metabolic process nucleic acid metabolic process chromosome organization DNA conformation change cellular component organization DNA topological change organelle organization cellular process cellular component organization or biogenesis	intracellular organelle intracellular anatomical structure organelle intracellular non-membrane-bounded organelle chromosome cellular anatomical entity non-membrane-bounded organelle cell periphery plasma membrane membrane external encapsulating structure cell wall peptidoglycan-based cell wall cytoplasm intracellular organelle intracellular anatomical structure organelle intracellular non-membrane-bounded organelle chromosome cellular anatomical entity non-membrane-bounded organelle cell periphery plasma membrane membrane external encapsulating structure cell wall peptidoglycan-based cell wall cytoplasm 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	IPR035516	DNA gyrase/topoisomerase IV, subunit A, C-terminal	Homologous Superfamily
A, B	IPR013760	DNA topoisomerase, type IIA-like domain superfamily	Homologous Superfamily
A, B	IPR013757	DNA topoisomerase, type IIA, alpha-helical domain superfamily	Homologous Superfamily
A, B	IPR013758	DNA topoisomerase, type IIA, domain A, alpha-beta	Homologous Superfamily
A, B	IPR005743	DNA gyrase, subunit A	Family
A, B	IPR006691	DNA gyrase/topoisomerase IV, subunit A, C-terminal repeat	Repeat
A, B	IPR002205	DNA topoisomerase, type IIA, domain A	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.