1K74

The 2.3 Angstrom resolution crystal structure of the heterodimer of the human PPARgamma and RXRalpha ligand binding domains respectively bound with GW409544 and 9-cis retinoic acid and co-activator peptides.


X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.5
Temperature 295.0
Details PEG4K, NaSCN, Ethylene Glycol, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 295K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 46.62 α = 90
b = 55.1 β = 90
c = 214.86 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 93
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- --
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 17-ID 1 APS 17-ID

Data Collection

Overall
Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym I (Observed) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot
2.3 20 97.3 -- 0.057 -- -- -- 24986 -- 0.0 --

Refinement

Statistics
Structure Solution Method Refinement High Resolution Refinement Low Resolution Cut-off Sigma (I) Cut-off Sigma (F) Number of Reflections (All) Number of Reflections (Observed) Number of Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work R-Free R-Free Selection Details
MOLECULAR REPLACEMENT 2.3 20.0 -- 0.0 23791 23791 2347 -- -- -- 0.238 0.279 --
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.5
c_bond_d 0.011
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4137
Nucleic Acid Atoms 0
Heterogen Atoms 60
Solvent Atoms 208

Software

Computing
Computing Package Purpose
MAR Data Reduction (intensity integration)
HKL-2000 Data Reduction (data scaling)
AMORE Structure Solution
CNX Structure Refinement
Software
Software Name Purpose
CNX refinement
AMoRE model building