Annotations: 2ZCN

Crystal structure of IcaR, a repressor of the TetR family

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)
C	DUF3239	e2zcnC1	A: alpha arrays	X: HTH	H: HTH	T: tetra-helical, lambda repressor-like	F: DUF3239	ECOD (v295.2)
D	DUF3239	e2zcnD1	A: alpha arrays	X: HTH	H: HTH	T: tetra-helical, lambda repressor-like	F: DUF3239	ECOD (v295.2)
B	DUF3239	e2zcnB1	A: alpha arrays	X: HTH	H: HTH	T: tetra-helical, lambda repressor-like	F: DUF3239	ECOD (v295.2)
A	DUF3239	e2zcnA1	A: alpha arrays	X: HTH	H: HTH	T: tetra-helical, lambda repressor-like	F: DUF3239	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
C	1.10.357.10	Mainly Alpha	Orthogonal Bundle	Tetracycline Repressor	domain 2	CATH (4.3.0)
D	1.10.357.10	Mainly Alpha	Orthogonal Bundle	Tetracycline Repressor	domain 2	CATH (4.3.0)
B	1.10.357.10	Mainly Alpha	Orthogonal Bundle	Tetracycline Repressor	domain 2	CATH (4.3.0)
A	1.10.357.10	Mainly Alpha	Orthogonal Bundle	Tetracycline Repressor	domain 2	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF00440	Bacterial regulatory proteins, tetR family (TetR_N)	Bacterial regulatory proteins, tetR family		Domain
A, B, C, D	PF18665	Tetracyclin repressor-like, C-terminal domain (TetR_C_37)	Tetracyclin repressor-like, C-terminal domain	IcaR belongs to the tetracycline repressor (TetR) family of proteins, which are involved in a wide variety of gene regulations. It binds to a 42 bp region immediately upstream of the icaA gene. This entry represents the C-terminal domain which is inv ...	IcaR belongs to the tetracycline repressor (TetR) family of proteins, which are involved in a wide variety of gene regulations. It binds to a 42 bp region immediately upstream of the icaA gene. This entry represents the C-terminal domain which is involved in dimerization [1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Biofilm operon icaABCD HTH-type negative transcriptional regulator icaR	DNA binding binding nucleic acid binding	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR009057	Homeodomain-like superfamily	Homologous Superfamily
A, B, C, D	IPR050624	Nucleoid occlusion factor SlmA/HTH-type transcriptional regulator	Family
A, B, C, D	IPR041646	IcaR, C-terminal	Domain
A, B, C, D	IPR001647	DNA-binding HTH domain, TetR-type	Domain