4U87 | pdb_00004u87

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Rep_2_C	e4u87A2	A: alpha arrays	X: HTH	H: Replication protein RepB C-terminal domain (From Topology)	T: Replication protein RepB C-terminal domain	F: Rep_2_C	ECOD (1.6)
A	Rep_2	e4u87A1	A: a+b two layers	X: Alpha-beta plaits	H: Origin of replication-binding domains	T: Origin of replication-binding domains	F: Rep_2	ECOD (1.6)
B	Rep_2_C	e4u87B2	A: alpha arrays	X: HTH	H: Replication protein RepB C-terminal domain (From Topology)	T: Replication protein RepB C-terminal domain	F: Rep_2_C	ECOD (1.6)
B	Rep_2	e4u87B1	A: a+b two layers	X: Alpha-beta plaits	H: Origin of replication-binding domains	T: Origin of replication-binding domains	F: Rep_2	ECOD (1.6)
C	Rep_2_C	e4u87C2	A: alpha arrays	X: HTH	H: Replication protein RepB C-terminal domain (From Topology)	T: Replication protein RepB C-terminal domain	F: Rep_2_C	ECOD (1.6)
C	Rep_2	e4u87C1	A: a+b two layers	X: Alpha-beta plaits	H: Origin of replication-binding domains	T: Origin of replication-binding domains	F: Rep_2	ECOD (1.6)

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.1310.30	Alpha Beta	3-Layer(aba) Sandwich	Replication Protein E1	Chain: A,	CATH (4.3.0)
A	1.10.10.1480	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	Plasmid replication protein	CATH (4.3.0)
B	3.40.1310.30	Alpha Beta	3-Layer(aba) Sandwich	Replication Protein E1	Chain: A,	CATH (4.3.0)
B	1.10.10.1480	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	Plasmid replication protein	CATH (4.3.0)
C	3.40.1310.30	Alpha Beta	3-Layer(aba) Sandwich	Replication Protein E1	Chain: A,	CATH (4.3.0)
C	1.10.10.1480	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	Plasmid replication protein	CATH (4.3.0)

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C	Replication protein RepB	DNA binding binding nucleic acid binding identical protein binding protein binding nucleic acid conformation isomerase activity isomerase activity catalytic activity, acting on DNA DNA topoisomerase activity catalytic activity, acting on a nucleic acid catalytic activity macromolecular conformation isomerase activity	nucleobase-containing compound metabolic process DNA replication metabolic process cellular process primary metabolic process DNA metabolic process macromolecule metabolic process nucleic acid metabolic process	intracellular anatomical structure cellular anatomical structure extrachromosomal circular DNA extrachromosomal DNA

Chains	Accession	Name	Type
A, B, C	IPR041919	Plasmid replication protein, C-terminal domain superfamily	Homologous Superfamily
A, B, C	IPR002631	Plasmid replication protein, origin binding domain	Domain