X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 6
Temperature 293.0
Details 26% PEG1500, 100mM MES/NaOH, 8% pentaerythritol, pH 6.0, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 152.67 α = 90
b = 52.91 β = 111.35
c = 76.22 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 315 -- 2007-10-02
Diffraction Radiation
Monochromator Protocol
rotated-inclined double-crystal monochromator MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SPRING-8 BEAMLINE BL41XU 1.0 SPring-8 BL41XU

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 50 95.3 0.052 -- -- 3.5 17700 16867 0.0 0.0 46.6
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 2.69 72.7 0.176 -- -- 2.9 1272

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 26.46 -- 0.0 16867 16844 857 95.1 -- 0.243 0.243 0.289 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 1233 108 2131 0.338 0.401 0.039 76.7
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 74.6
Anisotropic B[1][1] 4.1
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -24.55
Anisotropic B[2][2] 3.6
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -7.7
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.0
c_bond_d 0.004
c_dihedral_angle_d 24.1
c_improper_angle_d 0.75
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.39
Luzzati Sigma A (Observed) 0.42
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.5
Luzzati Sigma A (R-Free Set) 0.5
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2848
Nucleic Acid Atoms 0
Heterogen Atoms 63
Solvent Atoms 29

Software

Software
Software Name Purpose
ADSC data collection version: Quantum
SOLVE phasing
CNS refinement version: 1.0
HKL-2000 data reduction
HKL-2000 data scaling