X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 5
Temperature 295.0
Details phosphate, pH 5.0, VAPOR DIFFUSION, SITTING DROP, temperature 295K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 79.52 α = 90
b = 188.37 β = 98.84
c = 127.37 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
IMAGE PLATE RIGAKU RAXIS IIC -- 2001-10-12
Diffraction Radiation
Monochromator Protocol
GRAPHITE SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU200 1.5418 -- --

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
2.4 50 81.3 0.093 -- -- 3.7 144988 117875 0.0 0.0 8.7
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)
2.4 2.49 50.7 0.246 -- 2.2 2.0 7336

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
refined directly 2.4 50.0 0.0 0.0 144131 117401 11655 81.5 -- -- 0.193 0.246 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 2.4 2.55 11959 1342 12049 0.3508 0.3761 0.01 55.9
X Ray Diffraction 2.55 2.75 14853 1574 -- 0.2879 0.3351 -- --
X Ray Diffraction 2.75 3.02 17395 1970 -- 0.2544 0.3122 -- --
X Ray Diffraction 3.02 3.46 19179 2155 -- 0.1964 0.2505 -- --
X Ray Diffraction 3.46 4.36 20845 2258 -- 0.147 0.2039 -- --
X Ray Diffraction 4.36 49.05 21515 2358 -- 0.1413 0.1941 -- --
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model Isotropic
Mean Isotropic B 30.7
RMS Deviations
Key Refinement Restraint Deviation
c_mcangle_it 4.0
c_scbond_it 4.01
c_improper_angle_d 0.88
c_angle_deg 1.4
c_mcbond_it 2.6
c_dihedral_angle_d 25.0
c_bond_d 0.006
c_scangle_it 5.56
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.3
Luzzati Sigma A (Observed) 0.55
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.37
Luzzati Sigma A (R-Free Set) 0.62
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 23500
Nucleic Acid Atoms 0
Heterogen Atoms 220
Solvent Atoms 842

Software

Software
Software Name Purpose
SCALEPACK data scaling
CNS refinement