Annotations: 5BOX

Structure of TrmBL2, an archaeal chromatin protein, shows a novel mode of DNA binding.

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	Regulator_TrmB	e5boxA1	A: beta barrels	X: Type III secretory system chaperone-like	H: N-terminal domain of secreted effector protein sifA	T: N-terminal domain of secreted effector protein sifA	F: Regulator_TrmB	ECOD (v294.2)
D	YkuD	e5boxD1	A: beta barrels	X: Cytidine deaminase-like	H: KorB C-terminal domain	T: KorB C-terminal domain	F: YkuD	ECOD (v294.2)
C	YkuD	e5boxC1	A: beta barrels	X: Cytidine deaminase-like	H: KorB C-terminal domain	T: KorB C-terminal domain	F: YkuD	ECOD (v294.2)
B	YkuD	e5boxB1	A: beta barrels	X: Cytidine deaminase-like	H: KorB C-terminal domain	T: KorB C-terminal domain	F: YkuD	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
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	3.30.870.10	Alpha Beta	2-Layer Sandwich	Endonuclease	Chain A	CATH (4.3.0)
D	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)
D	3.30.870.10	Alpha Beta	2-Layer Sandwich	Endonuclease	Chain A	CATH (4.3.0)
C	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)
C	3.30.870.10	Alpha Beta	2-Layer Sandwich	Endonuclease	Chain A	CATH (4.3.0)
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	3.30.870.10	Alpha Beta	2-Layer Sandwich	Endonuclease	Chain A	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF01978	Sugar-specific transcriptional regulator TrmB (TrmB)	Sugar-specific transcriptional regulator TrmB	One member of this family, TrmB, has been shown to be a sugar-specific transcriptional regulator of the trehalose/maltose ABC transporter [2] in Thermococcus litoralis.	Domain
A, B, C, D	PF11495	Archaeal transcriptional regulator TrmB (Regulator_TrmB)	Archaeal transcriptional regulator TrmB	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Putative HTH-type transcriptional regulator TrmBL2	DNA binding binding nucleic acid binding	-	-
F	DNA (25-MER)	-	-	-
E	DNA TGM (25-MER)	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR051797	Transcription regulator TrmB-like	Family
A, B, C, D	IPR021586	Transcription regulator TrmB, C-terminal	Domain
A, B, C, D	IPR053499	HTH-type TrmB transcriptional regulator	Family
A, B, C, D	IPR036388	Winged helix-like DNA-binding domain superfamily	Homologous Superfamily
A, B, C, D	IPR002831	Transcription regulator TrmB, N-terminal	Domain
A, B, C, D	IPR036390	Winged helix DNA-binding domain superfamily	Homologous Superfamily

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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.