X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 5.5
Temperature 293.0
Details PEGmme 5K, Citrate, KSCN, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 157.72 α = 90
b = 157.72 β = 90
c = 243.2 γ = 120
Symmetry
Space Group P 65

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 2002-11-13
Diffraction Radiation
Monochromator Protocol
SI111 OR SI311 CRYSTALS, LN2 COOLED SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-4 0.9394 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
2.9 40 99.9 0.096 -- -- 6.9 75709 75663 -- 1.0 --
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)
2.9 2.99 99.9 0.58 -- 3.1 -- --

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 2.9 39.7 -- 0.0 72860 72860 6732 96.3 -- -- 0.248 0.294 RANDOM
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 2.9 3.08 -- 487 10448 0.372 0.417 0.019 87.1
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model GROUP
Mean Isotropic B 72.1
Anisotropic B[1][1] -16.17
Anisotropic B[1][2] 5.94
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -16.17
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 32.33
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 1.07
c_bond_d 0.009
c_dihedral_angle_d 23.9
c_angle_deg 1.6
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.42
Luzzati Sigma A (Observed) 0.6
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.54
Luzzati Sigma A (R-Free Set) 0.66
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 22142
Nucleic Acid Atoms 0
Heterogen Atoms 162
Solvent Atoms 63

Software

Software
Software Name Purpose
CNS refinement version: 1.1
DENZO data reduction
SCALEPACK data scaling
CNS phasing