Annotations: 3TCJ

CcdB dimer from V. fisheri in complex with one C-terminal domain of F-plasmid CcdA

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
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)
B	SCOP2B Superfamily	Cell growth inhibitor/plasmid maintenance toxic component	8082645	3000352	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Cell growth inhibitor/plasmid maintenance toxic component	8082645	3000352	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)
B	ABC_tran	e3tcjB1	A: beta barrels	X: beta-Grasp	H: HTH	T: winged helix domain	F: ABC_tran	ECOD (v294.2)
A	Peptidase_M27	e3tcjA1	A: beta barrels	X: Flavodoxin-like	H: SH3	T: SH3	F: Peptidase_M27	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	2.30.30.110	Mainly Beta	Roll	SH3 type barrels.		CATH (4.3.0)
A	2.30.30.110	Mainly Beta	Roll	SH3 type barrels.		CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C [auth T]	Protein CcdA	DNA binding binding nucleic acid binding	-	-
A, B	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	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
C [auth T]	IPR009956	Post-segregation antitoxin CcdA	Family
A, B	IPR011067	Plasmid maintenance toxin/Cell growth inhibitor	Homologous Superfamily
A, B	IPR002712	Toxin CcdB	Family

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