X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 4.6
Temperature 293.0
Details PEG 4000, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 71.01 α = 90
b = 138.28 β = 90
c = 138.36 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 2002-05-07
Diffraction Radiation
Monochromator Protocol
Silicon (111) crystal monochromator MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE BW7A 0.9794 EMBL/DESY, Hamburg BW7A

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
2.65 20 99.8 0.081 -- -- -- 40242 40242 0.0 0.0 --
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)
2.65 2.7 99.8 0.415 -- 4.1 -- --

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 2.65 20.0 -- 0.0 40242 40242 2017 99.8 0.221 0.221 0.22 0.242 random
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model Neigbour restrained B-factor optimization
Mean Isotropic B 33.9
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.008381
c_angle_deg 1.33562
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 8524
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 586

Software

Software
Software Name Purpose
DENZO data reduction
SCALA data scaling
AMoRE phasing
CNS refinement version: 0.9
CCP4 data scaling version: (SCALA)