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 PEG 8000, IMIDAZOLE, POTASSIUM CHLORIDE, PHOSPHOGLUCOSE ISOMERASE, D-GLUCOSE-6-PHOSPHATE, MAGNESIUM ACETATE, SODIUM CACODYLATE, pH 7.5. VAPOR DIFFUSION, HANGING DROP at 295K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 82.44 α = 90
b = 119.43 β = 90
c = 272.14 γ = 90
Symmetry
Space Group C 2 2 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 93
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 1999-06-12
Diffraction Radiation
Monochromator Protocol
BENT CONICAL SI-MIRROR (RH COATING), BENT CYLINDRICAL GE(111) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 14-BM-C 1.0 APS 14-BM-C

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
2.1 30 98.6 0.049 0.049 -- 4.08 77413 77413 0.0 0.0 29.19
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)
2.1 2.18 98.3 0.346 0.346 3.63 4.08 7640

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 2.1 30.0 0.0 0.0 77413 77413 7391 93.1 0.221 0.221 0.2174 0.248 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 2.1 2.18 6622 696 -- 0.3474 0.3721 -- 98.0
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 0.94
c_dihedral_angle_d 23.77
c_angle_deg 1.505
c_bond_d 0.0108
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.29
Luzzati Sigma A (Observed) 0.36
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.33
Luzzati Sigma A (R-Free Set) 0.41
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 8790
Nucleic Acid Atoms 0
Heterogen Atoms 32
Solvent Atoms 868

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
CNS Structure Solution
CNS Structure Refinement
Software
Software Name Purpose
CNS refinement
CNS model building