X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion
pH 7
Temperature 294.0
Details PEG 6000, Na HEPES, pH 7.0, VAPOR DIFFUSION, temperature 294K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 65.03 α = 90
b = 65.03 β = 90
c = 91.62 γ = 120
Symmetry
Space Group P 31 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 293
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IV -- 1998-04-01
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE ENRAF-NONIUS FR571 -- -- --

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
2.4 20 99.0 0.077 -- -- 3.4 30884 9063 0.0 -- 35.1
High Resolution Shell
Resolution (High) Resolution (Low) Percent Possible (All) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All)
2.4 2.49 97.5 0.326 -- -- 3.0 866

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 and MR 2.4 20.0 0.0 0.0 9147 9063 879 99.1 -- -- 0.205 0.252 Random
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 47.0
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.006
c_improper_angle_d 0.82
c_angle_deg 1.12
c_dihedral_angle_d 19.4
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1436
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 47

Software

Software
Software Name Purpose
AMoRE phasing
MLPHARE phasing
CNS refinement version: 0.9
R-AXIS data reduction
SCALEPACK data scaling