Annotations: 3IHU

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	YgbB	e3ihuB1	A: alpha arrays	X: HTH	H: HTH	T: tetra-helical, lambda repressor-like	F: YgbB	ECOD (v295.2)
A	MR_MLE_N	e3ihuA1	A: alpha arrays	X: Thioredoxin-like	H: Thioredoxin-like	T: Thioredoxin-like	F: MR_MLE_N	ECOD (v295.2)

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
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)
B	1.20.120.530	Mainly Alpha	Up-down Bundle	Four Helix Bundle (Hemerythrin (Met), subunit A)	GntR ligand-binding domain-like	CATH (4.3.0)
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)
A	1.20.120.530	Mainly Alpha	Up-down Bundle	Four Helix Bundle (Hemerythrin (Met), subunit A)	GntR ligand-binding domain-like	CATH (4.3.0)

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Transcriptional regulator, GntR family	transcription regulator activity DNA-binding transcription factor activity	-	-

Chains	Accession	Name	Type
A, B	IPR036388	Winged helix-like DNA-binding domain superfamily	Homologous Superfamily
A, B	IPR008920	Transcription regulator FadR/GntR, C-terminal	Homologous Superfamily
A, B	IPR000524	Transcription regulator HTH, GntR	Domain
A, B	IPR036390	Winged helix DNA-binding domain superfamily	Homologous Superfamily
A, B	IPR011711	GntR, C-terminal	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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.

3IHU | pdb_00003ihu