X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 5.2
Temperature 291.0
Details ammonium phosphate, sodium citrate, pH 5.2, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 107.74 α = 90
b = 107.74 β = 90
c = 66.5 γ = 120
Symmetry
Space Group P 63 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
2 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 2000-09-23
CCD ADSC QUANTUM 4 -- 2000-09-23
Diffraction Radiation
Monochromator Protocol
Double crystal, Si(111) or Si(311) MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-4 0.9393 ESRF ID14-4
SYNCHROTRON ESRF BEAMLINE ID14-4 0.9393, 0.9792, 0.9790 ESRF ID14-4

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 20 99.3 0.051 0.051 -- 6.5 5909 5892 2.0 1.0 75.0
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 2.95 100.0 0.426 0.426 2.0 6.7 5909

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 0.0 2.0 5909 5892 335 -- -- -- 0.235 0.288 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
c_bond_d 0.01
c_angle_deg 3.05
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1181
Nucleic Acid Atoms 0
Heterogen Atoms 5
Solvent Atoms 50

Software

Software
Software Name Purpose
DENZO data reduction
SCALA data scaling
MADSYS phasing
CNS refinement version: 1.0
CCP4 data scaling version: (SCALA)