X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 5.45
Temperature 300.0
Details Sodium phosphate , pH 5.45, VAPOR DIFFUSION, HANGING DROP, temperature 300.0K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 63.36 α = 90
b = 86.38 β = 90
c = 89.25 γ = 90
Symmetry
Space Group I 2 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 298
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IIC -- 1998-10-22
Diffraction Radiation
Monochromator Protocol
GRAPHITE SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU300 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
1.93 25 87.1 0.0527 -- -- 4.5 17973 15289 1.0 1.0 15.0
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)
1.93 2.02 80.7 0.127 -- 4.0 3.2 1961

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 1.93 62.01 -- 1.0 17573 15289 1520 87.1 -- 0.21 0.19 0.25 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 1.93 2.05 1961 189 -- 0.256 0.251 -- --
X Ray Diffraction 2.05 2.21 2186 250 -- 0.248 0.248 -- --
X Ray Diffraction 2.21 2.43 2441 260 -- 0.229 0.247 -- --
X Ray Diffraction 2.43 2.78 2541 323 -- 0.211 0.241 -- --
X Ray Diffraction 2.78 3.51 2706 294 -- 0.177 0.242 -- --
X Ray Diffraction 3.51 62.01 2557 288 -- 0.153 0.235 -- --
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model Isotropic
RMS Deviations
Key Refinement Restraint Deviation
x_bond_d 0.01
x_angle_deg 1.55
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1875
Nucleic Acid Atoms 0
Heterogen Atoms 13
Solvent Atoms 95

Software

Software
Software Name Purpose
X-PLOR model building
X-PLOR refinement version: 3.1
X-PLOR phasing