X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 5.25
Temperature 293.0
Details ammonium sulfate, 2-propanol, pH 5.25, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 112.26 α = 90
b = 113.75 β = 90
c = 128.62 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 MARRESEARCH -- 2000-04-14
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE BM14 1.2398 ESRF BM14

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 31.1 99.8 0.048 -- -- 4.6 84100 83880 0.0 0.0 23.0
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 2.32 98.7 0.136 -- 5.5 4.6 12093

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 2.2 31.1 -- 0.0 84100 83880 3400 99.7 -- -- 0.157 0.167 random
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model isotropic
Mean Isotropic B 22.5
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 2.99
c_bond_d 0.007
c_mcangle_it 1.14
c_dihedral_angle_d 19.6
c_improper_angle_d 0.94
c_scbond_it 2.08
c_angle_deg 1.2
c_mcbond_it 1.7
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 11172
Nucleic Acid Atoms 0
Heterogen Atoms 92
Solvent Atoms 1538

Software

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