X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.5
Temperature 292.0
Details 0.4-0.8 M sodium/potassium phosphate including 20-40 mM cyclohexylammonium phosphate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 19K, temperature 292K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 86.68 α = 90
b = 155.53 β = 91.82
c = 83.82 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 120
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1998-11-20
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE BM1A -- ESRF BM1A

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
1.9 14.97 99.2 0.033 -- -- 7.0 703604 86085 0.0 0.0 12.8
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)
1.9 1.93 91.9 0.119 -- -- 2.0 3179

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
-- 1.9 14.97 0.0 0.0 86055 86055 2595 98.9 0.173 0.197 0.173 0.197 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 1.9 2.02 -- 435 13516 0.205 0.246 0.012 96.4
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 24.0
Anisotropic B[1][1] 2.56
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.69
Anisotropic B[2][2] 1.99
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -4.55
RMS Deviations
Key Refinement Restraint Deviation
c_angle_deg 1.8
c_dihedral_angle_d 24.7
c_improper_angle_d 1.34
c_bond_d 0.014
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.18
Luzzati Sigma A (Observed) 0.13
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.22
Luzzati Sigma A (R-Free Set) 0.18
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 6286
Nucleic Acid Atoms 0
Heterogen Atoms 66
Solvent Atoms 1016

Software

Software
Software Name Purpose
CNS refinement
DENZO data reduction
SCALEPACK data scaling
CNS phasing