Annotations: 4IZZ

Crystal Structure of Fischerella Transcription Factor HetR complexed with 21mer DNA target

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	Homeodomain-like	8055694	3000001	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Winged helix DNA-binding domain	8055695	3000034	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	HetR, C-terminal hood domain	8055696	3002297	SCOP2B (2022-06-29)
A	SCOP2 Family	HetR, DNA-binding domain	8051720	4007483	SCOP2 (2022-06-29)
A	SCOP2 Family	HetR, C-terminal hood domain	8055693	4007645	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Winged helix DNA-binding domain	8055695	3000034	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	HetR, C-terminal hood domain	8055696	3002297	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Homeodomain-like	8055694	3000001	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	V-set	e4izzB1	A: beta barrels	X: beta-Grasp	H: HTH	T: winged helix domain	F: V-set	ECOD (v294.2)
A	V-set	e4izzA1	A: beta barrels	X: beta-Grasp	H: HTH	T: winged helix domain	F: V-set	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	1.10.10.1680	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	HetR, N-terminal DNA-binding domain	CATH (4.3.0)
B	1.10.10.1670	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	HetR, flap domain	CATH (4.3.0)
A	1.10.10.1680	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	HetR, N-terminal DNA-binding domain	CATH (4.3.0)
A	1.10.10.1670	Mainly Alpha	Orthogonal Bundle	Arc Repressor Mutant, subunit A	HetR, flap domain	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Transcription Factor HetR	DNA binding binding nucleic acid binding peptidase activity serine hydrolase activity catalytic activity, acting on a protein serine-type peptidase activity hydrolase activity catalytic activity	proteolysis metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process RNA metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription proteolysis metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process RNA metabolic process nucleobase-containing compound biosynthetic process gene expression macromolecule biosynthetic process nucleic acid metabolic process RNA biosynthetic process nucleobase-containing compound metabolic process DNA-templated transcription nucleic acid biosynthetic process biosynthetic process	-
C, D	DNA (5'-D(GPTPGPAPGPGPGPGPTPTPAPAPAPCPCPCPCPTPCPAP*C)-3')	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR059259	HetR, N-terminal domain	Domain
A, B	IPR041935	HetR, flap domain	Homologous Superfamily
A, B	IPR041936	HetR, N-terminal DNA-binding domain	Homologous Superfamily
A, B	IPR040949	HetR, C-terminal Hood domain	Domain

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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.