Annotations: 3OOU

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	HTH_AraC_2	e3oouA3	A: alpha arrays	X: HTH	H: HTH	T: tri-helical	F: HTH_AraC_2	ECOD (1.6)
A	HTH_18	e3oouA2	A: alpha arrays	X: HTH	H: HTH	T: tri-helical	F: HTH_18	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.10.10.60	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	Homeodomain-like	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF12833	Helix-turn-helix domain (HTH_18)	Helix-turn-helix domain		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Lin2118 protein	transcription regulator activity DNA-binding transcription factor activity sequence-specific DNA binding DNA binding binding nucleic acid binding	cellular response to stimulus regulation of biological process phosphorelay signal transduction system regulation of cellular process response to stimulus signaling biological regulation intracellular signal transduction cell communication cellular process signal transduction	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR009057	Homedomain-like superfamily	Homologous Superfamily
A	IPR018060	AraC-like, DNA binding HTH domain	Domain
A	IPR011006	CheY-like superfamily	Homologous Superfamily
A	IPR001789	Signal transduction response regulator, receiver domain	Domain

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.