Annotations: 2HKU

Structural Genomics, the crystal structure of a putative transcriptional regulator from Rhodococcus sp. RHA1

External Resource: Annotation

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

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d2hkua1	All alpha proteins	DNA/RNA-binding 3-helical bundle	Homeodomain-like	Tetracyclin repressor-like, N-terminal domain	Putative transcriptional regulator RHA1_ro03468	(Rhodococcus jostii RHA1 ) [TaxId: 101510 ],	SCOPe (2.08)
A	d2hkua2	All alpha proteins	Tetracyclin repressor-like, C-terminal domain	Tetracyclin repressor-like, C-terminal domain	Tetracyclin repressor-like, C-terminal domain	Putative transcriptional regulator RHA1_ro03468	(Rhodococcus jostii RHA1 ) [TaxId: 101510 ],	SCOPe (2.08)
B	d2hkub1	All alpha proteins	DNA/RNA-binding 3-helical bundle	Homeodomain-like	Tetracyclin repressor-like, N-terminal domain	Putative transcriptional regulator RHA1_ro03468	(Rhodococcus jostii RHA1 ) [TaxId: 101510 ],	SCOPe (2.08)
B	d2hkub2	All alpha proteins	Tetracyclin repressor-like, C-terminal domain	Tetracyclin repressor-like, C-terminal domain	Tetracyclin repressor-like, C-terminal domain	Putative transcriptional regulator RHA1_ro03468	(Rhodococcus jostii RHA1 ) [TaxId: 101510 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Tetracyclin repressor-like	8056391	4000333	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	TetR C-terminal domain-like	8056393	3000086	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Homeodomain-like	8056392	3000001	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	TetR C-terminal domain-like	8056393	3000086	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Homeodomain-like	8056392	3000001	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	TetR_N	e2hkuA1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: TetR_N	ECOD (v294.1)
A	TetR_C_12	e2hkuA2	A: alpha bundles	X: Tetracyclin repressor-like, C-terminal domain	H: Tetracyclin repressor-like, C-terminal domain	T: Tetracyclin repressor-like, C-terminal domain	F: TetR_C_12	ECOD (v294.1)
B	Pox_D5	e2hkuB1	A: a/b three-layered sandwiches	X: HTH	H: HTH	T: winged helix domain	F: Pox_D5	ECOD (v294.1)
B	PAP2	e2hkuB2	A: a/b three-layered sandwiches	X: ETN0001 domain-like	H: Flavivirus capsid protein C	T: Flavivirus capsid protein C	F: PAP2	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	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)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	A putative transcriptional regulator	DNA binding sequence-specific DNA binding sequence-specific double-stranded DNA binding transcription cis-regulatory region binding binding double-stranded DNA binding nucleic acid binding transcription regulatory region nucleic acid binding transcription regulator activity DNA-binding transcription factor activity	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR011075	Tetracyclin repressor-like, C-terminal domain	Domain
A, B	IPR009057	Homedomain-like superfamily	Homologous Superfamily
A, B	IPR050109	HTH-type, TetR-like transcriptional regulator	Family
A, B	IPR001647	DNA-binding HTH domain, TetR-type	Domain
A, B	IPR036271	Tetracyclin repressor-like, C-terminal 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.