2Z9O | pdb_00002z9o

Crystal structure of the dimeric form of RepE in complex with the repE operator DNA

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
D [auth B]	d2z9ob1	All alpha proteins	DNA/RNA-binding 3-helical bundle	'Winged helix' DNA-binding domain	Replication initiation protein	RepE54	(Escherichia coli K-12 ) [TaxId: 83333 ],	SCOPe (2.08)
C [auth A]	d2z9oa1	All alpha proteins	DNA/RNA-binding 3-helical bundle	'Winged helix' DNA-binding domain	Replication initiation protein	RepE54	(Escherichia coli K-12 ) [TaxId: 83333 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
D [auth B]	SCOP2B Superfamily	Winged helix DNA-binding domain	8002855	3000034	SCOP2B (2022-06-29)
D [auth B]	SCOP2B Superfamily	Winged helix DNA-binding domain	8002854	3000034	SCOP2B (2022-06-29)
C [auth A]	SCOP2B Superfamily	Winged helix DNA-binding domain	8002855	3000034	SCOP2B (2022-06-29)
C [auth A]	SCOP2B Superfamily	Winged helix DNA-binding domain	8002854	3000034	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)
D [auth B]	Rep_3_C	e2z9oB4	A: alpha arrays	X: HTH	H: HTH	T: winged	F: Rep_3_C	ECOD (1.6)
D [auth B]	Rep_3_N	e2z9oB3	A: alpha arrays	X: HTH	H: HTH	T: winged	F: Rep_3_N	ECOD (1.6)
C [auth A]	Rep_3_C	e2z9oA4	A: alpha arrays	X: HTH	H: HTH	T: winged	F: Rep_3_C	ECOD (1.6)
C [auth A]	Rep_3_N	e2z9oA3	A: alpha arrays	X: HTH	H: HTH	T: winged	F: Rep_3_N	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
D [auth B]	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)
C [auth A]	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)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C [auth A], D [auth B]	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 [auth D]	DNA (33-MER)	-	-	-
A [auth C]	DNA (33-MER)	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
C [auth A], D [auth B]	IPR000525	Initiator Rep protein, WH1 domain	Domain
C [auth A], D [auth B]	IPR036388	Winged helix-like DNA-binding domain superfamily	Homologous Superfamily
C [auth A], D [auth B]	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.