Annotations: 4I8T

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	lambda C1 repressor DNA-binding domain-like	8086835	3000119	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	lambda C1 repressor DNA-binding domain-like	8086835	3000119	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)
B	Nuc_deoxyrib_tr	e4i8tB1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Nuc_deoxyrib_tr	ECOD (v294.1)
A	Nuc_deoxyrib_tr	e4i8tA1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Nuc_deoxyrib_tr	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	1.10.260.40	Mainly Alpha	Orthogonal Bundle	434 Repressor (Amino-terminal Domain)	lambda repressor-like DNA-binding domains	CATH (4.3.0)
A	1.10.260.40	Mainly Alpha	Orthogonal Bundle	434 Repressor (Amino-terminal Domain)	lambda repressor-like DNA-binding domains	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
D	DNA (5'-D(PTPGPTPGPTPGPAPTPTPAPTPAPGPTPCPAPAPCP*A)-3')	-	-	-
C	DNA (5'-D(PTPGPTPTPGPAPCPTPAPTPAPAPTPCPAPCPAPCP*A)-3')	-	-	-
A, B	Regulatory protein	DNA binding binding nucleic acid binding transcription regulator activity DNA-binding transcription factor activity	-	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR050807	Transcriptional regulator/dioxygenase, bacterial-type	Family
A, B	IPR001387	Cro/C1-type, helix-turn-helix domain	Domain
A, B	IPR010982	Lambda repressor-like, 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.