Annotations: 3ONQ

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
C	Acetyltransf_1	e3onqC1	A: beta barrels	X: DEATH domain	H: Ten stranded beta/alpha barrel	T: Ten stranded beta/alpha barrel	F: Acetyltransf_1	ECOD (v294.2)
D	Acetyltransf_1	e3onqD1	A: beta barrels	X: DEATH domain	H: Ten stranded beta/alpha barrel	T: Ten stranded beta/alpha barrel	F: Acetyltransf_1	ECOD (v294.2)
B	Acetyltransf_1	e3onqB1	A: beta barrels	X: POZ domain	H: Rossmann-related	T: S-adenosyl-L-methionine-dependent methyltransferases	F: Acetyltransf_1	ECOD (v294.2)
A	GGDEF_2	e3onqA1	A: beta barrels	X: Rossmann-like	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: GGDEF_2	ECOD (v294.2)
A	HTH_30	e3onqA2	A: beta barrels	X: Rossmann-like	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: HTH_30	ECOD (v294.2)

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
C	1.20.5.5100	Mainly Alpha	Up-down Bundle	Single alpha-helices involved in coiled-coils or other helix-helix interfaces		CATH (4.3.0)
C	3.30.70.2730	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits		CATH (4.3.0)
C	1.10.10.2840	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	PucR C-terminal helix-turn-helix domain	CATH (4.3.0)
D	1.20.5.5100	Mainly Alpha	Up-down Bundle	Single alpha-helices involved in coiled-coils or other helix-helix interfaces		CATH (4.3.0)
D	3.30.70.2730	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits		CATH (4.3.0)
D	1.10.10.2840	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	PucR C-terminal helix-turn-helix domain	CATH (4.3.0)
B	1.20.5.5100	Mainly Alpha	Up-down Bundle	Single alpha-helices involved in coiled-coils or other helix-helix interfaces		CATH (4.3.0)
B	3.30.70.2730	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits		CATH (4.3.0)
B	1.10.10.2840	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	PucR C-terminal helix-turn-helix domain	CATH (4.3.0)
A	1.20.5.5100	Mainly Alpha	Up-down Bundle	Single alpha-helices involved in coiled-coils or other helix-helix interfaces		CATH (4.3.0)
A	3.30.70.2730	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits		CATH (4.3.0)
A	1.10.10.2840	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	PucR C-terminal helix-turn-helix domain	CATH (4.3.0)

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF13556	PucR C-terminal helix-turn-helix domain (HTH_30)	PucR C-terminal helix-turn-helix domain	This helix-turn-helix domain is often found at the C-terminus of PucR-like transcriptional regulators such as Swiss:O32138 and is likely to be DNA-binding.	Domain

Chains	Accession	Name	Type
A, B, C, D	IPR042070	PucR C-terminal helix-turn-helix domain superfamily	Homologous Superfamily
A, B, C, D	IPR051448	CdaR-like transcriptional regulators	Family
A, B, C, D	IPR025736	PucR C-terminal helix-turn-helix 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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.

3ONQ | pdb_00003onq