X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 5.5
Temperature 298.0
Details 19%PEG3350, 5% PEG400, 0.1M Bis Tris, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 35.46 α = 90
b = 45.82 β = 101.85
c = 44.36 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 SBC-2 mirrors 2002-12-15
Diffraction Radiation
Monochromator Protocol
Si 111 CHANNEL MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 19-ID 0.9795,0.9798,0.94656 APS 19-ID

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
1.4 50 99.3 0.088 -- -- 6.95 27607 27414 2.0 2.0 13.4
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)
1.4 1.45 95.7 0.428 -- 2.4 4.44 2661

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 1.4 34.71 -- 0.0 54010 51310 2538 95.0 -- 0.21 0.21 0.247 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 1.4 1.49 -- 371 7336 0.298 0.312 0.016 85.3
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 17.6
Anisotropic B[1][1] -0.83
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 1.34
Anisotropic B[2][2] 0.63
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.19
RMS Deviations
Key Refinement Restraint Deviation
c_dihedral_angle_d 16.1
c_improper_angle_d 0.79
c_scangle_it 3.42
c_angle_deg 1.1
c_bond_d 0.01
c_scbond_it 2.43
c_mcbond_it 1.02
c_mcangle_it 1.54
Coordinate Error
Parameter Value
Luzzati ESD (R-Free Set) 0.2
Luzzati Sigma A (R-Free Set) 0.18
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1169
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 295

Software

Software
Software Name Purpose
CNS refinement version: 0.9
DTCOLLECT data reduction
HKL-2000 data scaling
CNS phasing