X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 9.5
Temperature 295.0
Details ammonium sulfate, tert-butanol, bicine, glutathione, pH 9.5, VAPOR DIFFUSION, HANGING DROP, temperature 22K, temperature 295K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 100 α = 90
b = 100 β = 90
c = 56.9 γ = 90
Symmetry
Space Group P 4 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 2000-03-17
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 14-BM-C -- APS 14-BM-C

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 30 98.1 0.049 -- -- 6.7 22750 152479 0.0 0.0 19.0
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 1.94 88.7 0.286 -- -- 4.0 1340

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 28.76 0.0 0.0 22697 22697 2317 97.8 0.234 0.234 0.234 0.281 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 -- 341 2977 0.439 0.463 0.025 87.1
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 38.6
Anisotropic B[1][1] -17.76
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -17.76
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 35.53
RMS Deviations
Key Refinement Restraint Deviation
c_mcbond_it 0.96
c_angle_deg 1.9
c_mcangle_it 1.54
c_improper_angle_d 1.21
c_bond_d 0.018
c_dihedral_angle_d 22.6
c_scbond_it 1.6
c_scangle_it 2.32
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.29
Luzzati Sigma A (Observed) 0.54
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.34
Luzzati Sigma A (R-Free Set) 0.56
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1630
Nucleic Acid Atoms 0
Heterogen Atoms 33
Solvent Atoms 109

Software

Software
Software Name Purpose
MLPHARE phasing
CNS refinement version: 0.9
DENZO data reduction
SCALEPACK data scaling