X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 5.1
Temperature 295.0
Details PEG6000, soduim phosphate buffer, pH 5.10, VAPOR DIFFUSION, HANGING DROP, temperature 295K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 59.76 α = 90
b = 55.55 β = 90
c = 74.47 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 297
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IIC -- 1998-10-26
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU -- -- --

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
1.79 75 86.3 0.082 -- -- 5.7 23032 20741 2.0 1.0 20.9
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)
1.79 1.86 63.4 0.213 -- -- 4.7 1607

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 1.79 7.0 1.0 2.0 20277 20277 1995 86.2 0.181 0.181 0.177 0.226 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
x_torsion_impr_deg 1.16
x_torsion_deg 26.2
x_angle_deg 1.41
x_bond_d 0.007
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1847
Nucleic Acid Atoms 0
Heterogen Atoms 1
Solvent Atoms 207

Software

Computing
Computing Package Purpose
R-AXIS Data Reduction (intensity integration)
R-AXIS Data Reduction (data scaling)
X-PLOR Structure Solution
X-PLOR 3.1 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.1 refinement
X-PLOR model building
R-AXIS data reduction
R-AXIS data collection