X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 4.8
Temperature 281.0
Details PEG4000, Na-acetate, pH 4.8, VAPOR DIFFUSION, HANGING DROP, temperature 281K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 84.43 α = 90
b = 84.43 β = 90
c = 159.75 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 RIGAKU RAXIS IV Osmic mirrors 2002-12-31
Diffraction Radiation
Monochromator Protocol
Osmic multilayer SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU300 1.5418 -- --

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
1.74 43.05 88.8 0.064 0.064 -- 16.6 60903 60747 0.0 1.0 35.9
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)
1.74 1.8 25.9 0.283 0.283 2.4 3.3 1751

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
FOURIER SYNTHESIS 1.74 43.05 0.0 0.0 60903 60747 5937 88.8 0.193 -- 0.193 0.237 RANDOM
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 1.74 1.85 4344 443 7820 0.436 0.466 0.017 42.6
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 35.2
Anisotropic B[1][1] 4.66
Anisotropic B[1][2] 3.12
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 4.66
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -9.32
RMS Deviations
Key Refinement Restraint Deviation
c_mcangle_it 5.25
c_improper_angle_d 1.37
c_mcbond_it 4.53
c_scangle_it 7.48
c_angle_deg 2.0
c_scbond_it 6.19
c_bond_d 0.023
c_dihedral_angle_d 23.6
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.26
Luzzati Sigma A (Observed) 0.23
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.28
Luzzati Sigma A (R-Free Set) 0.26
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4056
Nucleic Acid Atoms 0
Heterogen Atoms 34
Solvent Atoms 471

Software

Software
Software Name Purpose
CNS refinement version: 1.1
CrystalClear data reduction version: (MSC/RIGAKU)
d*TREK data scaling
CNS phasing