3PXP | pdb_00003pxp

Crystal structure of a PAS and DNA binding domain containing protein (Caur_2278) from CHLOROFLEXUS AURANTIACUS J-10-FL at 2.30 A resolution

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	Gal-bind_lectin	e3pxpC1	A: a/b three-layered sandwiches	X: Lipocalins/Streptavidin	H: Zn-dependent exopeptidases	T: Zn-dependent exopeptidases	F: Gal-bind_lectin	ECOD (v294.1)
B	Gal-bind_lectin	e3pxpB1	A: a/b three-layered sandwiches	X: Lipocalins/Streptavidin	H: Zn-dependent exopeptidases	T: Zn-dependent exopeptidases	F: Gal-bind_lectin	ECOD (v294.1)
A	HTH_31	e3pxpA1	A: a/b three-layered sandwiches	X: Toxins' membrane translocation domains	H: sensor domains	T: sensor domains	F: HTH_31	ECOD (v294.1)
A	MLTR_LBD	e3pxpA2	A: a/b three-layered sandwiches	X: Toxins' membrane translocation domains	H: sensor domains	T: sensor domains	F: MLTR_LBD	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
C	1.10.260.40	Mainly Alpha	Orthogonal Bundle	434 Repressor (Amino-terminal Domain)	lambda repressor-like DNA-binding domains	CATH (4.3.0)
C	3.30.450.180	Alpha Beta	2-Layer Sandwich	Beta-Lactamase		CATH (4.3.0)
B	1.10.260.40	Mainly Alpha	Orthogonal Bundle	434 Repressor (Amino-terminal Domain)	lambda repressor-like DNA-binding domains	CATH (4.3.0)
B	3.30.450.180	Alpha Beta	2-Layer Sandwich	Beta-Lactamase		CATH (4.3.0)
A	1.10.260.40	Mainly Alpha	Orthogonal Bundle	434 Repressor (Amino-terminal Domain)	lambda repressor-like DNA-binding domains	CATH (4.3.0)
A	3.30.450.180	Alpha Beta	2-Layer Sandwich	Beta-Lactamase		CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C	PF13560	Helix-turn-helix domain (HTH_31)	Helix-turn-helix domain	This domain is a helix-turn-helix domain that probably binds to DNA.	Domain
A, B, C	PF17765	MmyB-like transcription regulator ligand binding domain (MLTR_LBD)	MmyB-like transcription regulator ligand binding domain	This domain is found in a family of actinobacterial transcription factors. The structure shows it has a PAS domain like fold and it is bound to Myristic acid [1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C	Helix-turn-helix domain protein	DNA binding binding nucleic acid binding	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C	IPR001387	Cro/C1-type, helix-turn-helix domain	Domain
A, B, C	IPR041413	MmyB-like transcription regulator ligand binding	Domain
A, B, C	IPR010982	Lambda repressor-like, DNA-binding domain superfamily	Homologous Superfamily

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.