2NOV | pdb_00002nov

Breakage-reunion domain of S.pneumoniae topo IV: crystal structure of a gram-positive quinolone target

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: ECOD Classification
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	d2nova_	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	(Streptococcus pneumoniae ) [TaxId: 1313 ],	SCOPe (2.08)
B	d2novb_	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	(Streptococcus pneumoniae ) [TaxId: 1313 ],	SCOPe (2.08)
D	d2novd_	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	(Streptococcus pneumoniae ) [TaxId: 1313 ],	SCOPe (2.08)
C	d2novc_	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	(Streptococcus pneumoniae ) [TaxId: 1313 ],	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		e2novA2	A: Carbon-nitrogen hydrolase-like	X: Metallo-dependent phosphatases	H: Metallo-dependent phosphatases	T: Poxv_Bcl-2-like	F:	ECOD (20:10:01)
A		e2novA4	A: DEATH domain	X: Ten stranded beta/alpha barrel	H: Ten stranded beta/alpha barrel	T: BRCT	F:	ECOD (20:10:01)
B		e2novB4	A: DEATH domain	X: Ten stranded beta/alpha barrel	H: Ten stranded beta/alpha barrel	T: BRCT	F:	ECOD (20:10:01)
D		e2novD3	A: HTH	X: HTH	H: winged helix domain	T: MarR	F:	ECOD (20:10:01)
D		e2novD4	A: DEATH domain	X: Ten stranded beta/alpha barrel	H: Ten stranded beta/alpha barrel	T: BRCT	F:	ECOD (20:10:01)
C		e2novC4	A: DEATH domain	X: Ten stranded beta/alpha barrel	H: Ten stranded beta/alpha barrel	T: BRCT	F:	ECOD (20:10:01)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	DNA topoisomerase 4 subunit A	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 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 DNA binding nucleic acid binding nucleic acid conformation isomerase activity isomerase activity catalytic activity, acting on a nucleic acid DNA topoisomerase type II (double strand cut, ATP-hydrolyzing) activity ATP-dependent activity ATP-dependent activity, acting on DNA DNA negative supercoiling activity catalytic activity, acting on DNA DNA topoisomerase activity catalytic activity macromolecular conformation isomerase activity	chromosome organization primary metabolic process DNA conformation change DNA metabolic process nucleic acid metabolic process cellular component organization nucleobase-containing compound metabolic process DNA topological change organelle organization cellular process metabolic process cellular component organization or biogenesis macromolecule metabolic process	intracellular organelle cellular anatomical structure intracellular anatomical structure organelle membraneless organelle intracellular membraneless organelle chromosome 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, C, D	IPR035516	DNA gyrase/topoisomerase IV, subunit A, C-terminal	Homologous Superfamily
A, B, C, D	IPR050220	Type II DNA Topoisomerases	Family
A, B, C, D	IPR013760	DNA topoisomerase, type IIA-like domain superfamily	Homologous Superfamily
A, B, C, D	IPR013757	DNA topoisomerase, type IIA, alpha-helical domain superfamily	Homologous Superfamily
A, B, C, D	IPR013758	DNA topoisomerase, type IIA, domain A, alpha-beta	Homologous Superfamily
A, B, C, D	IPR006691	DNA gyrase/topoisomerase IV, subunit A, C-terminal repeat	Repeat
A, B, C, D	IPR005741	DNA topoisomerase IV subunit A, Gram-positive	Family
A, B, C, D	IPR002205	DNA topoisomerase, type IIA, domain A	Domain

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.