1REP | pdb_00001rep

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
C	d1repc1	All alpha proteins	DNA/RNA-binding 3-helical bundle	'Winged helix' DNA-binding domain	Replication initiation protein	RepE54	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
C	SCOP2 Family	Replication initiation protein	8002853	4000166	SCOP2 (2022-06-29)
C	SCOP2 Superfamily	Winged helix DNA-binding domain	8002854	3000034	SCOP2 (2022-06-29)
C	SCOP2 Superfamily	Winged helix DNA-binding domain	8002855	3000034	SCOP2 (2022-06-29)

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
C	Rep3_N	e1repC1	A: alpha arrays	X: HTH	H: HTH	T: winged helix domain	F: Rep3_N	ECOD (v294.1)
C	Rep3_C	e1repC2	A: alpha arrays	X: HTH	H: HTH	T: winged helix domain	F: Rep3_C	ECOD (v294.1)

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
C	1.10.10.10	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain	CATH (4.3.0)

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C	PROTEIN (REPLICATION INITIATION PROTEIN)	catalytic activity, acting on DNA DNA-directed DNA polymerase activity DNA polymerase activity catalytic activity, acting on a nucleic acid transferase activity nucleotidyltransferase activity catalytic activity transferase activity, transferring phosphorus-containing groups DNA binding binding nucleic acid binding	cellular process plasmid maintenance nucleobase-containing compound metabolic process DNA-templated DNA replication DNA replication DNA replication initiation metabolic process primary metabolic process DNA metabolic process macromolecule metabolic process nucleic acid metabolic process	-
B	DNA (5'-D(CPTPGPAPGPGPGPCPAPAPTPTPTPGPTPCPAPCPAPGPGPT)-3')	-	-	-
A	DNA (5'-D(CPCPTPGPTPGPAPCPAPAPAPTPTPGPCPCPCPTPCPAPGPT)-3')	-	-	-

Chains	Accession	Name	Type
C	IPR000525	Initiator Rep protein, WH1 domain	Domain
C	IPR036388	Winged helix-like DNA-binding domain superfamily	Homologous Superfamily
C	IPR036390	Winged helix DNA-binding domain superfamily	Homologous Superfamily

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.