X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details CRYSTALLIZED BY DISSOLVING THE 10%(W/V) OF LYOPHILIZED ENZYME IN 50MM TRIS.HCL, 1MM CACL2, PH 6.5. 25 MICRO LITRE DROPS OF THIS SOLUTION WERE EQUILIBRATED IN A MICRODIALYSIS SETUP AGAINST 1M NANO3 IN THE SAME BUFFER AT 4 DEGREE., pH 7.5

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 68.32 α = 90
b = 68.32 β = 90
c = 108.37 γ = 90
Symmetry
Space Group P 43 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 285
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH PIN HOLE 1998-09-01
Diffraction Radiation
Monochromator Protocol
GRAPHITE CRYSTAL SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU200 -- -- --

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
2.2 15 97.0 0.045 0.045 -- 5.4 -- 12156 -- -3.0 --
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)
2.2 3.0 94.0 0.087 0.087 24.41 4.6 --

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 2.2 15.0 -- 0.0 -- 12156 -- 97.0 -- -- 0.168 0.231 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 17.1
RMS Deviations
Key Refinement Restraint Deviation
p_bond_d 0.008
p_angle_d 0.025
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2030
Nucleic Acid Atoms 0
Heterogen Atoms 11
Solvent Atoms 135

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
AMORE Structure Solution
CCP4 Structure Refinement
Software
Software Name Purpose
CCP4 refinement
AMORE model building
SCALEPACK data reduction
DENZO data collection