1ILG Gene Regulation date May 08, 2001
title Crystal Structure Of Apo Human Pregnane X Receptor Ligand Bi Domain
authors R.E.Watkins, M.R.Redinbo
compound source
Molecule: Orphan Nuclear Receptor Pxr
Chain: A
Fragment: Ligand Binding Domain
Synonym: Pregnane X Receptor
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Pxr
Expression_system: Escherichia Coli Bl21(De3)
Expression_system_taxid: 469008
Expression_system_strain: Bl21(De3)
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Prseta
symmetry Space Group: P 43 21 2
R_factor 0.215 R_Free 0.279
length a length b length c angle alpha angle beta angle gamma
91.590 91.590 84.980 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.52 Å
related structures by homologous chain: 1ILH, 1M13

Primary referenceThe human nuclear xenobiotic receptor PXR: structural determinants of directed promiscuity., Watkins RE, Wisely GB, Moore LB, Collins JL, Lambert MH, Williams SP, Willson TM, Kliewer SA, Redinbo MR, Science 2001 Jun 22;292(5525):2329-33. PMID:11408620
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (54 Kb) [Save to disk]
  • Biological Unit Coordinates (1ilg.pdb1.gz) 49 Kb
  • CSU: Contacts of Structural Units for 1ILG
  • Likely Quarternary Molecular Structure file(s) for 1ILG
  • Structure Factors (106 Kb)
  • Retrieve 1ILG in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1ILG from S2C, [Save to disk]
  • Re-refined 1ilg structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1ILG 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 1ILG
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Electron Density related parameters from EDS Electron Density Server, at Upsala
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 1ILG, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1ilga_, region A [Jmol] [rasmolscript] [script source]
  • Fold representative 1ilg from FSSP and Dali (Families of Structurally Similar Proteins)
  • 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: [1ilg] [1ilg_A]
  • SWISS-PROT database: [O75469]
  • Domain organization of [NR1I2_HUMAN] by SWISSPFAM
  • Domain found in 1ILG: [HOLI ] by SMART
  • Other resources with information on 1ILG
  • Community annotation for 1ILG at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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