X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 5
Temperature 277.0
Details 8-12% PEG8K,15% GLYCEROL, 50MM K-PO4, PH=5.0, 2 MM DTT AT 4 DEGREES C, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 91.02 α = 90
b = 91.02 β = 90
c = 105.61 γ = 120
Symmetry
Space Group P 31 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH MIRRORS 1996-02-09
Diffraction Radiation
Monochromator Protocol
DARESBURY --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE BL19 -- ESRF BL19

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 15 95.5 0.089 0.089 -- 6.5 -- 33176 -- 2.0 --

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
MIR 2.0 6.0 -- 2.0 -- 21806 -- -- -- 0.214 0.214 -- RANDOM
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 0.984
x_bond_d 0.011
x_angle_deg 1.643
x_dihedral_angle_d 24.37
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2821
Nucleic Acid Atoms 0
Heterogen Atoms 7
Solvent Atoms 203

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
PHASES Structure Solution
X-PLOR 3.82 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.82 refinement
PHASES model building