X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.5
Temperature 277.0
Details TRI-SODIUM CITRATE DIHYDRATE, ISOPROPANOL, HEPES, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 146.33 α = 90
b = 146.33 β = 90
c = 82.73 γ = 120
Symmetry
Space Group P 32 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 1999-06-03
CCD ADSC QUANTUM 4 -- 1999-06-03
CCD ADSC QUANTUM 4 -- 1999-06-03
CCD ADSC QUANTUM 4 -- 1999-04-30
Diffraction Radiation
Monochromator Protocol
-- MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE BM14 0.8856 ESRF BM14
SYNCHROTRON ESRF BEAMLINE BM14 0.9790 ESRF BM14
SYNCHROTRON ESRF BEAMLINE BM14 0.9785 ESRF BM14
SYNCHROTRON SRS BEAMLINE PX9.6 0.87 SRS PX9.6

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
2.8 30 98.9 0.075 -- -- 3.3 25459 25169 2.0 2.0 50.0
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)
2.8 2.93 3134.0 0.309 -- -- 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
MAD 2.8 20.0 2.0 2.0 25459 25169 1260 -- -- -- 0.234 0.275 Random
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.008
c_angle_deg 1.2
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3217
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 225

Software

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