1PQC	Transcription Regulation	date	Jun 18, 2003
title	Human Lxr Beta Hormone Receptor Complexed With T0901317
authors	M.Farnegardh, T.Bonn, S.Sun, J.Ljunggren, H.Ahola, A.Wilhelmsson, A.Gustafsson, M.Carlquist
compound		source
Molecule: Oxysterols Receptor Lxr-Beta Chain: A, B, C, D Fragment: Ligand Binding Domain, Residues 213-261 Synonym: Liver X Receptor Beta, Nuclear Orphan Receptor Lxr Ubiquitously-Expressed Nuclear Receptor, Nuclear Receptor N Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Nr1h2 Or Lxrb Or Unr Or Ner Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21 Star (De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet28a
symmetry	Space Group: P 21 21 21	R_factor 0.195 R_Free 0.262
crystal cell	length a length b length c angle alpha angle beta angle gamma 58.722 103.262 176.002 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.80 Å
ligand	444 BindingDB	enzyme
related structures	by homologous chain: 1P8D, 1UPW
Gene Ontology	Chain Function Process Component A, D, C, B
Primary reference	The three-dimensional structure of the liver X receptor beta reveals a flexible ligand-binding pocket that can accommodate fundamentally different ligands., Farnegardh M, Bonn T, Sun S, Ljunggren J, Ahola H, Wilhelmsson A, Gustafsson JA, Carlquist M, J Biol Chem 2003 Oct 3;278(40):38821-8. Epub 2003 Jun 20. PMID:12819202

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (159 Kb) [Save to disk] Biological Unit Coordinates (1pqc.pdb1.gz) 79 Kb Biological Unit Coordinates (1pqc.pdb2.gz) 76 Kb Biological Unit Coordinates (1pqc.pdb3.gz) 152 Kb LPC: Ligand-Protein Contacts for 1PQC CSU: Contacts of Structural Units for 1PQC Likely Quarternary Molecular Structure file(s) for 1PQC Structure Factors (207 Kb) Retrieve 1PQC in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1PQC from S2C, [Save to disk] Re-refined 1pqc structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1PQC in 3D

Proteopedia, because life has more than 2D. On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure. On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.

Visual 3D analysis of 1PQC

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1PQC, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1pqca_, region A [Jmol] [rasmolscript] [script source]     - Domain d1pqcb_, region B [Jmol] [rasmolscript] [script source]     - Domain d1pqcc_, region C [Jmol] [rasmolscript] [script source]     - Domain d1pqcd_, region D [Jmol] [rasmolscript] [script source] Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH Summaries and structural analyses of PDB data files from PDBSum Identification of Protein Pockets & Cavities at CASTp

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1pqc_B] [1pqc_A] [1pqc_D] [1pqc_C] [1pqc] SWISS-PROT database: [P55055] Domain organization of [NR1H2_HUMAN] by SWISSPFAM Domain found in 1PQC: [HOLI ] by SMART

Other resources with information on 1PQC

Community annotation for 1PQC at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

Movements, Movies and Images

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