Annotations: 4ELZ

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
D	d4elzd_	All beta proteins	SH3-like barrel	Cell growth inhibitor/plasmid maintenance toxic component	CcdB	CcdB	(Aliivibrio fischeri MJ11 ) [TaxId: 388396 ],	SCOPe (2.08)
C	d4elzc_	All beta proteins	SH3-like barrel	Cell growth inhibitor/plasmid maintenance toxic component	CcdB	CcdB	(Aliivibrio fischeri MJ11 ) [TaxId: 388396 ],	SCOPe (2.08)
B	d4elzb1	Multi-domain proteins (alpha and beta)	Type II DNA topoisomerase C-terminal domain-like	Type II DNA topoisomerase C-terminal domain-like	Type II DNA topoisomerase C-terminal domain-like	automated matches	(Aliivibrio fischeri ES114 ) [TaxId: 312309 ],	SCOPe (2.08)
B	d4elzb2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Aliivibrio fischeri ES114 ) [TaxId: 312309 ],	SCOPe (2.08)
A	d4elza1	Multi-domain proteins (alpha and beta)	Type II DNA topoisomerase C-terminal domain-like	Type II DNA topoisomerase C-terminal domain-like	Type II DNA topoisomerase C-terminal domain-like	automated matches	(Aliivibrio fischeri ES114 ) [TaxId: 312309 ],	SCOPe (2.08)
A	d4elza2	Artifacts	Tags	Tags	Tags	N-terminal Tags	(Aliivibrio fischeri ES114 ) [TaxId: 312309 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
D	SCOP2B Superfamily	Cell growth inhibitor/plasmid maintenance toxic component	8082647	3000352	SCOP2B (2022-06-29)
C	SCOP2 Family	CcdB	8082646	4001770	SCOP2 (2022-06-29)
C	SCOP2 Superfamily	Cell growth inhibitor/plasmid maintenance toxic component	8082647	3000352	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
D	ABC_tran	e4elzD1	A: a/b three-layered sandwiches	X: beta-Grasp	H: HTH	T: winged helix domain	F: ABC_tran	ECOD (v294.1)
C	ABC_tran	e4elzC1	A: a/b three-layered sandwiches	X: beta-Grasp	H: HTH	T: winged helix domain	F: ABC_tran	ECOD (v294.1)
B	A2M_BRD	e4elzB1	A: a/b three-layered sandwiches	X: Transmembrane heme-binding four-helical bundle	H: Anticodon-binding domain of Class II aaRS	T: Anticodon-binding domain of Class II aaRS	F: A2M_BRD	ECOD (v294.1)
A	SH3_1	e4elzA2	A: a/b three-layered sandwiches	X: Fusion glycoprotein F2	H: HTH	T: winged helix domain	F: SH3_1	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
D	2.30.30.110	Mainly Beta	Roll	SH3 type barrels.		CATH (4.3.0)
C	2.30.30.110	Mainly Beta	Roll	SH3 type barrels.		CATH (4.3.0)
B	1.10.268.10	Mainly Alpha	Orthogonal Bundle	Topoisomerase	domain 3	CATH (4.3.0)
A	1.10.268.10	Mainly Alpha	Orthogonal Bundle	Topoisomerase	domain 3	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C, D	CcdB	enzyme regulator activity molecular function inhibitor activity DNA topoisomerase type II (double strand cut, ATP-hydrolyzing) inhibitor activity molecular function regulator activity enzyme inhibitor activity DNA topoisomerase type II (double strand cut, ATP-hydrolyzing) regulator activity ATPase inhibitor activity	cellular process plasmid maintenance	-
A, B	DNA gyrase 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	nucleobase-containing compound metabolic process DNA-templated DNA replication DNA replication metabolic process cellular 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 nucleobase-containing compound metabolic process DNA-templated DNA replication DNA replication metabolic process cellular 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 component organization or biogenesis	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
C, D	IPR011067	Plasmid maintenance toxin/Cell growth inhibitor	Homologous Superfamily
C, D	IPR002712	Toxin CcdB	Family
A, B	IPR035516	DNA gyrase/topoisomerase IV, subunit A, C-terminal	Homologous Superfamily
A, B	IPR050220	Type II DNA Topoisomerases	Family
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 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.