X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Evaporation
pH 6
Temperature 298.0
Details PEG 8000, lithium sulphate, pipes, zinc chloride, pH 6.0, EVAPORATION, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 74.11 α = 90
b = 85.06 β = 90
c = 86.54 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 298
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1996-12-19
Diffraction Radiation
Monochromator Protocol
graphite SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU200 1.5418 -- --

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
2.9 20 84.5 0.087 -- -- 4.1 10658 10658 0.0 0.0 58.9
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)
2.9 3.0 88.1 0.269 -- 3.2 4.0 1039

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 2.9 20.0 0.0 0.0 10658 10658 450 -- -- -- 0.208 0.281 random
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model isotropic
Mean Isotropic B 40.9
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.007
c_dihedral_angle_d 24.9
c_angle_d 1.31
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.33
Luzzati Sigma A (Observed) 0.42
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.51
Luzzati Sigma A (R-Free Set) 0.6
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3689
Nucleic Acid Atoms 0
Heterogen Atoms 2
Solvent Atoms 0

Software

Software
Software Name Purpose
MARXDS data collection
TRUNCATE data reduction
CNS refinement
MARXDS data reduction
CCP4 data scaling version: (TRUNCATE)
CNS phasing