X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.5
Temperature 298.0
Details Ammonium sulphate, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 174.3 α = 90
b = 174.3 β = 90
c = 96.3 γ = 90
Symmetry
Space Group P 42 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 298
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IV yale mirrors 2000-12-29
Diffraction Radiation
Monochromator Protocol
monochromator 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
2.98 84.29 85.3 0.105 0.11 -- 4.1 32199 32199 0.0 0.0 59.0
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)
2.98 3.05 69.0 0.252 0.3 2.2 3.0 --

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 2.98 84.29 0.0 0.0 28584 28584 2871 92.7 -- -- 0.236 0.284 random
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 59.2
Anisotropic B[1][1] 3.08
Anisotropic B[1][2] 3.08
Anisotropic B[1][3] -6.16
Anisotropic B[2][2] 0.0
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.0
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 0.87
c_dihedral_angle_d 19.8
c_bond_d 0.104
c_angle_d 1.6
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 6188
Nucleic Acid Atoms 0
Heterogen Atoms 135
Solvent Atoms 7

Software

Software
Software Name Purpose
CNS refinement
BIOTEX data reduction
BIOTEX data scaling
CNS phasing