X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 4
Temperature 293.0
Details 16% PEG3350, 80% Tacsimate, 2% 1,2-propanediol, 5% MPD, 5% Glycerol, pH 4, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 138.7 α = 90
b = 46.94 β = 127.78
c = 99.1 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 90
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 315r -- 2009-10-26
Diffraction Radiation
Monochromator Protocol
Numerical link type Si(111) double crystal monochromator MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON PHOTON FACTORY BEAMLINE BL-17A 0.97898, 0.97917, 0.96395 Photon Factory BL-17A

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
2.6 49.14 95.4 0.102 0.102 -- 7.2 15779 15054 0.0 0.0 37.1
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)
2.6 2.74 99.9 0.374 0.374 4.7 7.3 2289

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 2.6 49.14 0.0 0.0 15815 15054 1527 95.1 -- 0.231 0.231 0.264 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 2.6 2.76 2289 209 2013 0.319 0.374 0.026 85.8
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 48.7
Anisotropic B[1][1] 12.88
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 11.46
Anisotropic B[2][2] -16.65
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 3.77
RMS Deviations
Key Refinement Restraint Deviation
c_dihedral_angle_d 21.6
c_improper_angle_d 0.78
c_angle_deg 1.3
c_bond_d 0.009
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.35
Luzzati Sigma A (Observed) 0.52
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.43
Luzzati Sigma A (R-Free Set) 0.57
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2382
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 55

Software

Software
Software Name Purpose
ADSC data collection version: Quantum
SOLVE phasing
CNS refinement version: 1.2
MOSFLM data reduction
SCALA data scaling