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)
A	HTH_3_1	e3pxpA1	A: alpha arrays	X: HTH	H: HTH	T: tetra-helical, lambda repressor-like	F: HTH_3_1	ECOD (1.6)
A	EUF08496	e3pxpA2	A: a+b three layers	X: Profilin-like	H: sensor domains (From Topology)	T: sensor domains	F: EUF08496	ECOD (1.6)
B	HTH_3_1	e3pxpB1	A: alpha arrays	X: HTH	H: HTH	T: tetra-helical, lambda repressor-like	F: HTH_3_1	ECOD (1.6)
B	EUF08496	e3pxpB2	A: a+b three layers	X: Profilin-like	H: sensor domains (From Topology)	T: sensor domains	F: EUF08496	ECOD (1.6)
C	HTH_3_1	e3pxpC1	A: alpha arrays	X: HTH	H: HTH	T: tetra-helical, lambda repressor-like	F: HTH_3_1	ECOD (1.6)
C	EUF08496	e3pxpC2	A: a+b three layers	X: Profilin-like	H: sensor domains (From Topology)	T: sensor domains	F: EUF08496	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

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

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.