X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Evaporation
pH 7
Temperature 293.0
Details magnesium chloride, cacodylate, MPD, pH 7.00, EVAPORATION, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 28.05 α = 90
b = 28.05 β = 90
c = 53.16 γ = 90
Symmetry
Space Group P 41 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 293
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IIC MIRRORS 1996-06-24
Diffraction Radiation
Monochromator Protocol
GRAPHITE SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU 1.54 -- --

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
1.5 10 -- -- -- -- -- -- n/a 2.0 -- 14.6

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
-- 1.5 10.0 -- 2.0 2778 2699 256 74.3 -- -- 0.198 0.233 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 1.5 1.59 -- 13 112 0.286 0.258 0.072 21.2
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 22.1
Anisotropic B[1][1] 0.12
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.12
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.24
RMS Deviations
Key Refinement Restraint Deviation
o_scbond_it 0.0
o_mcangle_it 0.69
o_scangle_it 0.0
o_bond_d 0.014
o_angle_deg 1.5
o_improper_angle_d 1.94
o_dihedral_angle_d 17.5
o_mcbond_it 0.4
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.19
Luzzati Sigma A (Observed) 0.16
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.21
Luzzati Sigma A (R-Free Set) 0.14
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 0
Nucleic Acid Atoms 121
Heterogen Atoms 38
Solvent Atoms 40

Software

Software
Software Name Purpose
R-AXIS data collection
SCALEPACK data scaling
CNS refinement
R-AXIS data reduction