3DKY

Crystal Structure of the replication initiator protein encoded on plasmid pMV158 (RepB), tetragonal form, to 3.6 Ang resolution

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	F_UNCLASSIFIED	e3dkyA1	A: alpha arrays	X: HTH	H: Replication protein RepB C-terminal domain (From Topology)	T: Replication protein RepB C-terminal domain	F: F_UNCLASSIFIED	ECOD (1.6)
A	PF01719	e3dkyA2	A: a+b two layers	X: Alpha-beta plaits	H: Origin of replication-binding domains	T: Origin of replication-binding domains	F: PF01719	ECOD (1.6)
B	F_UNCLASSIFIED	e3dkyB1	A: alpha arrays	X: HTH	H: Replication protein RepB C-terminal domain (From Topology)	T: Replication protein RepB C-terminal domain	F: F_UNCLASSIFIED	ECOD (1.6)
B	PF01719	e3dkyB2	A: a+b two layers	X: Alpha-beta plaits	H: Origin of replication-binding domains	T: Origin of replication-binding domains	F: PF01719	ECOD (1.6)
C	F_UNCLASSIFIED	e3dkyC1	A: alpha arrays	X: HTH	H: Replication protein RepB C-terminal domain (From Topology)	T: Replication protein RepB C-terminal domain	F: F_UNCLASSIFIED	ECOD (1.6)
C	PF01719	e3dkyC2	A: a+b two layers	X: Alpha-beta plaits	H: Origin of replication-binding domains	T: Origin of replication-binding domains	F: PF01719	ECOD (1.6)
D	F_UNCLASSIFIED	e3dkyD2	A: alpha arrays	X: HTH	H: Replication protein RepB C-terminal domain (From Topology)	T: Replication protein RepB C-terminal domain	F: F_UNCLASSIFIED	ECOD (1.6)
D	PF01719	e3dkyD1	A: a+b two layers	X: Alpha-beta plaits	H: Origin of replication-binding domains	T: Origin of replication-binding domains	F: PF01719	ECOD (1.6)
E	F_UNCLASSIFIED	e3dkyE2	A: alpha arrays	X: HTH	H: Replication protein RepB C-terminal domain (From Topology)	T: Replication protein RepB C-terminal domain	F: F_UNCLASSIFIED	ECOD (1.6)
E	PF01719	e3dkyE1	A: a+b two layers	X: Alpha-beta plaits	H: Origin of replication-binding domains	T: Origin of replication-binding domains	F: PF01719	ECOD (1.6)
F	F_UNCLASSIFIED	e3dkyF2	A: alpha arrays	X: HTH	H: Replication protein RepB C-terminal domain (From Topology)	T: Replication protein RepB C-terminal domain	F: F_UNCLASSIFIED	ECOD (1.6)
F	PF01719	e3dkyF1	A: a+b two layers	X: Alpha-beta plaits	H: Origin of replication-binding domains	T: Origin of replication-binding domains	F: PF01719	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

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)
D	3.40.1310.30	Alpha Beta	3-Layer(aba) Sandwich	Replication Protein E1	Chain: A,	CATH (4.3.0)
D	1.10.10.1480	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	Plasmid replication protein	CATH (4.3.0)
E	3.40.1310.30	Alpha Beta	3-Layer(aba) Sandwich	Replication Protein E1	Chain: A,	CATH (4.3.0)
E	1.10.10.1480	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	Plasmid replication protein	CATH (4.3.0)
F	3.40.1310.30	Alpha Beta	3-Layer(aba) Sandwich	Replication Protein E1	Chain: A,	CATH (4.3.0)
F	1.10.10.1480	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	Plasmid replication protein	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D, E A, B, C, D, E, F	PF01719	Plasmid replication protein (Rep_2)	Plasmid replication protein	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D, E A, B, C, D, E, F	Replication protein repB	DNA binding binding organic cyclic compound binding nucleic acid binding identical protein binding protein binding isomerase activity catalytic activity, acting on DNA DNA topoisomerase activity catalytic activity, acting on a nucleic acid catalytic activity	nucleobase-containing compound metabolic process organic cyclic compound metabolic process DNA replication organic substance metabolic process metabolic process primary metabolic process DNA metabolic process macromolecule metabolic process nucleic acid metabolic process	intracellular anatomical structure extrachromosomal circular DNA cellular anatomical entity extrachromosomal DNA

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D, E A, B, C, D, E, F	IPR041919	Plasmid replication protein, C-terminal domain superfamily	Homologous Superfamily
A, B, C, D, E A, B, C, D, E, F	IPR002631	Plasmid replication protein	Family

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 R01GM133198.