Annotations: 4R4E

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A [auth B]	PF13411	e4r4eB1	A: alpha arrays	X: HTH	H: HTH	T: Putative DNA-binding domain	F: PF13411	ECOD (1.6)
B [auth A]	PF13411	e4r4eA1	A: alpha arrays	X: HTH	H: HTH	T: Putative DNA-binding domain	F: PF13411	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A [auth B]	1.10.1660.10	Mainly Alpha	Orthogonal Bundle	Multidrug-efflux Transporter Regulator	Chain: A	CATH (4.3.0)
B [auth A]	1.10.1660.10	Mainly Alpha	Orthogonal Bundle	Multidrug-efflux Transporter Regulator	Chain: A	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth B], B [auth A]	PF00376	MerR family regulatory protein (MerR)	MerR family regulatory protein	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth B], B [auth A]	HTH-type transcriptional regulator GlnR	DNA binding binding organic cyclic compound binding nucleic acid binding transcription regulator activity DNA-binding transcription factor activity identical protein binding protein binding	-	-
C [auth D]	DNA (5'-D(APTPTPCPTPGPAPCP*A)-3')	-	-	-
D [auth E]	DNA (5'-D(TPGPTPCPAPGPTPA)-3')	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth B], B [auth A]	IPR009061	Putative DNA-binding domain superfamily	Homologous Superfamily
A [auth B], B [auth A]	IPR047057	MerR transcriptional regulator	Family
A [auth B], B [auth A]	IPR000551	MerR-type HTH 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 R01GM133198.