X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6
Temperature 292.0
Details PEG6000, MES, CaCl2, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 292K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 111.87 α = 90
b = 117.32 β = 90
c = 112.61 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 2000-06-13
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON PHOTON FACTORY BEAMLINE BL-6A 1.0 Photon Factory BL-6A

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
3.3 39.6 97.0 0.154 0.137 -- 4.9 107522 22140 0.0 0.0 17.765
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)
3.3 3.48 97.8 0.301 0.269 2.6 4.8 --

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 3.3 39.6 0.0 0.0 22115 21927 2182 95.8 -- -- 0.212 0.304 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 3.3 3.51 -- 387 3184 0.245 0.361 0.018 95.5
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 33.4
Anisotropic B[1][1] 13.13
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -5.37
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -7.76
RMS Deviations
Key Refinement Restraint Deviation
c_scbond_it 1.54
c_mcangle_it 2.15
c_scangle_it 2.57
c_bond_d 0.009
c_improper_angle_d 0.95
c_mcbond_it 1.22
c_dihedral_angle_d 24.7
c_angle_deg 1.5
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.33
Luzzati Sigma A (Observed) 0.33
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.52
Luzzati Sigma A (R-Free Set) 0.55
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 9552
Nucleic Acid Atoms 0
Heterogen Atoms 90
Solvent Atoms 0

Software

Software
Software Name Purpose
CNS refinement
MOSFLM data reduction
CCP4 data scaling version: (SCALA)
CNS phasing