X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 9
Temperature 293.0
Details 1.2M ammonium citrate, 0.1M Tris-HCl, 4% PEG1000, pH 9.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 73.43 α = 85.48
b = 111.64 β = 90
c = 133.31 γ = 89.71
Symmetry
Space Group P 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MARRESEARCH -- 2003-03-12
Diffraction Radiation
Monochromator Protocol
Si (220) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 22-ID 1.000 APS 22-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
2.8 20 -- -- -- -- -- -- 84392 -- -3.0 64.3
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)
2.8 2.91 31.1 -- -- -- -- --

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
MOLECULAR REPLACEMENT 2.9 20.0 -- 0.0 -- 76315 7671 81.8 0.2331 0.2331 0.233 0.321 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 2.9 3.08 -- 658 6011 0.386 0.457 0.018 43.0
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 57.5
Anisotropic B[1][1] -2.11
Anisotropic B[1][2] 3.04
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 19.17
Anisotropic B[2][3] -7.27
Anisotropic B[3][3] -17.06
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 1.1
c_dihedral_angle_d 26.9
c_scangle_it 2.54
c_bond_d 0.01
c_scbond_it 1.67
c_mcbond_it 1.28
c_mcangle_it 2.28
c_angle_deg 1.9
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.42
Luzzati Sigma A (Observed) 0.56
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.59
Luzzati Sigma A (R-Free Set) 0.75
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 25582
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 391

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
AMoRE phasing
CNS refinement version: 1.1