X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 5.1
Temperature 293.0
Details 18% PEG4000, 100MM CACL2, 100MM IMIDAZOLE/MALIC ACID PH 5.1, pH 5.10, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 140.9 α = 90
b = 67.3 β = 120.4
c = 93.9 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 110
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 2000-06-01
Diffraction Radiation
Monochromator Protocol
SI 111 CHANNEL SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X25 1.100 NSLS X25

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 20 98.0 -- 0.052 -- 3.1 43484 43484 0.0 -3.0 40.6
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)
2.1 2.2 97.0 -- 0.346 2.9 -- --

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
MIR 2.1 20.0 -- 0.0 41033 41033 2056 92.4 -- -- 0.228 0.273 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 2.1 2.2 -- 234 4314 0.323 0.364 0.024 83.0
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 47.8
Anisotropic B[1][1] -8.05
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 1.43
Anisotropic B[2][2] -0.69
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 8.75
RMS Deviations
Key Refinement Restraint Deviation
o_scangle_it 3.32
o_scbond_it 2.19
o_mcangle_it 2.84
o_mcbond_it 1.68
o_improper_angle_d 0.79
o_dihedral_angle_d 26.0
o_angle_deg 1.4
o_bond_d 0.006
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.3
Luzzati Sigma A (Observed) 0.32
Luzzati Resolution Cutoff (Low) 6.0
Luzzati ESD (R-Free Set) 0.38
Luzzati Sigma A (R-Free Set) 0.39
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 5706
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 332

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
DM, CNS Structure Solution
CNS Structure Refinement
Software
Software Name Purpose
CNS refinement
CNS model building
DM model building
SCALEPACK data reduction
DENZO data collection