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_scangle_it 4.603
c_scbond_it 3.219
c_mcangle_it 2.971
c_mcbond_it 2.097
c_dihedral_angle_d 18.99
c_angle_deg 1.228
c_bond_d 0.008
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

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
SHELXS, SHARP Structure Solution
CNS Structure Refinement
Software
Software Name Purpose
CNS refinement
SHARP model building
SHELXS model building