X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 5.5
Temperature 277.0
Details ammonium sulfate, sodium acetate, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 42.72 α = 90
b = 43.17 β = 90
c = 60.11 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 ADSC QUANTUM 4 mirrors 2001-06-23
Diffraction Radiation
Monochromator Protocol
Si 311 channel and Si 111 channel cut MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID29 1.739, 1.740, 0.915 ESRF ID29

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 35 97.1 0.054 0.054 -- 3.8 17906 17906 0.0 0.0 14.0
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)
1.5 1.53 95.7 0.239 0.239 3.2 3.8 1168

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
MAD 1.5 35.14 0.0 0.0 17906 16071 1808 97.1 0.1563 0.1563 0.15298 0.18702 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 16.023
Anisotropic B[1][1] 0.47
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.27
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.2
RMS Deviations
Key Refinement Restraint Deviation
p_scangle_it 4.333
p_scbond_it 3.246
p_mcangle_it 2.093
p_mcbond_it 1.188
p_bond_d 0.006
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 814
Nucleic Acid Atoms 0
Heterogen Atoms 54
Solvent Atoms 106

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
SOLVE Structure Solution
REFMAC Structure Refinement
Software
Software Name Purpose
REFMAC refinement
SOLVE model building