1QKU	Nuclear Receptor	date	Aug 05, 1999
title	Wild Type Estrogen Nuclear Receptor Ligand Binding Domain Co With Estradiol
authors	M.Ruff, M.Gangloff, S.Eiler, S.Duclaud, J.M.Wurtz, D.Moras
compound		source
Molecule: Estradiol Receptor Chain: A, B, C Fragment: Ligand Binding Domain Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Cellular_location: Nucleus Expression_system: Escherichia Coli Bl21 Expression_system_taxid: 511693 Expression_system_cellular_location: Cytoplasm Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet15
symmetry	Space Group: P 32 2 1	R_factor 0.216 R_Free 0.275
crystal cell	length a length b length c angle alpha angle beta angle gamma 105.500 105.500 136.080 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	3.20 Å
ligand	EST BindingDB	enzyme
note	1QKU (Molecule of the Month:pdb45)
Primary reference	Crystal structure of a mutant hERalpha ligand-binding domain reveals key structural features for the mechanism of partial agonism., Gangloff M, Ruff M, Eiler S, Duclaud S, Wurtz JM, Moras D, J Biol Chem. 2001 May 4;276(18):15059-65. Epub 2001 Feb 6. PMID:11278577

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (139 Kb) [Save to disk] Biological Unit Coordinates (1qku.pdb1.gz) 90 Kb Biological Unit Coordinates (1qku.pdb2.gz) 89 Kb LPC: Ligand-Protein Contacts for 1QKU CSU: Contacts of Structural Units for 1QKU Likely Quarternary Molecular Structure file(s) for 1QKU Structure Factors (140 Kb) Retrieve 1QKU in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1QKU from S2C, [Save to disk] Re-refined 1qku structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1QKU 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 1QKU

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 3D motif for 1QKU, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1qkua_, region A [Jmol] [rasmolscript] [script source]     - Domain d1qkub_, region B [Jmol] [rasmolscript] [script source]     - Domain d1qkuc_, region C [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: [1qku_A] [1qku_B] [1qku_C] [1qku] SWISS-PROT database: [P03372] Domain organization of [ESR1_HUMAN] by SWISSPFAM Domain found in 1QKU: [HOLI ] by SMART

Other resources with information on 1QKU

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

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