X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6
Temperature 277.0
Details ammonium sulfate, HEPES. Crystallization occured at pH 7.5. After obtaining the crystal, the pH was lowered to 6.0 for data collection., VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 66.75 α = 90
b = 82.52 β = 95.5
c = 101.79 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 2000-10-04
Diffraction Radiation
Monochromator Protocol
Germanium Ge(220) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-1 0.934 ESRF ID14-1

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
1.9 33.77 97.8 0.085 0.085 -- 2.5 84615 84615 0.0 0.0 22.8
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)
1.9 2.0 94.0 0.404 0.404 3.0 2.3 11824

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
FOURIER SYNTHESIS 1.9 33.77 -- 0.0 84560 84560 1693 97.6 0.18026 0.18026 0.17941 0.22234 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 19.764
Anisotropic B[1][1] 0.25
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -0.21
Anisotropic B[2][2] -0.13
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.16
RMS Deviations
Key Refinement Restraint Deviation
p_bond_d 0.023
p_mcbond_it 1.181
p_mcangle_it 2.075
p_scbond_it 3.278
p_scangle_it 5.208
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 7639
Nucleic Acid Atoms 0
Heterogen Atoms 55
Solvent Atoms 586

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
REFMAC Structure Refinement
Software
Software Name Purpose
REFMAC refinement
REFMAC model building
SCALA data reduction
MOSFLM data collection