X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.5
Temperature 277.0
Details cacodylate, calcium acetate, 16-18% PEG 8000, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 92.37 α = 90
b = 92.37 β = 90
c = 211.28 γ = 120
Symmetry
Space Group P 65 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 2001-04-09
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON CHESS BEAMLINE A1 0.93 CHESS A1

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
2.2 30 95.9 0.064 -- -- 5.1 30819 29555 1.0 1.0 28.3
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)
2.2 2.34 92.4 0.403 -- 4.7 -- --

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 2.2 29.93 0.0 0.0 27911 26543 1346 95.1 -- 0.24 0.24 0.262 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 2.2 2.34 -- 227 3948 0.312 0.327 0.022 92.4
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 48.5
Anisotropic B[1][1] 5.28
Anisotropic B[1][2] 4.05
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 5.28
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -10.57
RMS Deviations
Key Refinement Restraint Deviation
c_scangle_it 2.92
c_mcbond_it 1.36
c_improper_angle_d 0.89
c_dihedral_angle_d 20.9
c_mcangle_it 2.17
c_bond_d 0.006
c_angle_deg 1.2
c_scbond_it 1.95
Coordinate Error
Parameter Value
Luzzati ESD (R-Free Set) 0.35
Luzzati Sigma A (R-Free Set) 0.33
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2440
Nucleic Acid Atoms 598
Heterogen Atoms 1
Solvent Atoms 148

Software

Software
Software Name Purpose
HKL-2000 data collection
SCALEPACK data scaling
CNS refinement
HKL-2000 data reduction
CNS phasing