X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8
Temperature 293.0
Details PEG 6000, CHAPS, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 57.59 α = 90
b = 178.44 β = 113.17
c = 61.23 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH mirrors 2000-10-30
Diffraction Radiation
Monochromator Protocol
Si(111) SINGLE WAVELENGTH AND SE-MAD WAVELENGTHS
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SPRING-8 BEAMLINE BL44B2 0.70000 SPring-8 BL44B2

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
2.1 40 99.7 -- 0.066 -- 3.8 65554 65554 -- 0.0 55.4
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)
2.1 2.21 99.7 -- 0.339 2.5 3.9 9583

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 2.1 10.0 -- 0.0 65101 64979 6497 99.8 -- -- 0.245 0.274 RAMDOM
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 2.1 2.17 6494 688 5806 0.2899 0.319 -- 89.0
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model Isotrophic
Mean Isotropic B 47.7
Anisotropic B[1][1] 0.804
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -2.535
Anisotropic B[2][2] 6.575
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.0
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.228
c_bond_d 0.008
c_scbond_it 3.219
c_dihedral_angle_d 18.99
c_scangle_it 4.603
c_mcbond_it 2.097
c_mcangle_it 2.971
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.31
Luzzati Sigma A (Observed) 0.21
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.35
Luzzati Sigma A (R-Free Set) 0.25
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5587
Nucleic Acid Atoms 0
Heterogen Atoms 144
Solvent Atoms 140

Software

Software
Software Name Purpose
SHELXS phasing
SHARP phasing
CNS refinement
MOSFLM data reduction
CCP4 data scaling version: (SCALA)