X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Microdialysis
pH 8
Temperature 298.0
Details Tricine-NaOH, NaCl, NaN3, subtilisin , pH 8.0, MICRODIALYSIS, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 69.79 α = 90
b = 69.79 β = 90
c = 58.51 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
CCD ADSC QUANTUM 4 diamond-graphite 2001-11-01
Diffraction Radiation
Monochromator Protocol
diamond SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SPRING-8 BEAMLINE BL38B1 1.0 SPring-8 BL38B1

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
1.78 50 98.8 0.058 -- -- -- 16172 15983 2.0 2.0 --
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)
1.79 1.86 94.1 0.173 -- -- -- --

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
MAD 1.78 50.0 -- 0.0 15821 14232 1589 -- -- -- 0.219 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 1.78 1.8 358 34 -- 0.257 0.244 -- --
RMS Deviations
Key Refinement Restraint Deviation
c_angle_d 1.048
c_dihedral_angle_d 21.6
c_improper_angle_d 0.714
c_bond_d 0.004
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.23
Luzzati Sigma A (Observed) 0.14
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.26
Luzzati Sigma A (R-Free Set) 0.11
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1029
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 106

Software

Software
Software Name Purpose
MOSFLM data reduction
TRUNCATE data reduction
SOLVE phasing
CNS refinement version: 0.9
CCP4 data scaling version: (TRUNCATE)