2NRA | pdb_00002nra

Crystal structure of Pi initiator protein in complex with iteron 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)
C	d2nrac1	All alpha proteins	DNA/RNA-binding 3-helical bundle	'Winged helix' DNA-binding domain	Replication initiation protein	Replication initiation protein PI	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
C	SCOP2 Family	Replication initiation protein	8056260	4000166	SCOP2 (2022-06-29)
C	SCOP2 Superfamily	Winged helix DNA-binding domain	8056261	3000034	SCOP2 (2022-06-29)
C	SCOP2 Superfamily	Winged helix DNA-binding domain	8056262	3000034	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
C	Rep_3_C	e2nraC2	A: alpha arrays	X: HTH	H: HTH	T: winged	F: Rep_3_C	ECOD (1.6)
C	Rep_3_N	e2nraC1	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)
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 (4.2.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C	PI 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	nucleobase-containing compound metabolic process DNA-templated DNA replication DNA replication DNA replication initiation metabolic process cellular process primary metabolic process DNA metabolic process macromolecule metabolic process nucleic acid metabolic process	-
B	5'-D(GPAPCPGPTPAPCPTPAPAPGPCPTPCPTPCPAPTPGPTPTPCP*T)-3'	-	-	-
A	5'-D(GPAPAPCPAPTPGPAPGPAPGPCPTPTPAPGPTPAPCPGPTPCP*T)-3'	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

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.