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 0.5 M sodium potassium tartrate and 0.1 M sodium acetate, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 67.63 α = 90
b = 84.41 β = 108.67
c = 37.17 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 2000-12-17
CCD ADSC QUANTUM 4 -- 2000-12-17
Diffraction Radiation
Monochromator Protocol
Graphite SINGLE WAVELENGTH
Graphite MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 19-ID 1.10000 APS 19-ID
SYNCHROTRON APS BEAMLINE 19-ID 1.00803, 1.00808, 1.0596 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
1.9 20 99.8 0.075 -- -- -- -- 15123 -- 0.0 26.4
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)
1.9 1.97 99.7 0.469 -- 3.8 -- --

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 1.9 20.0 -- 0.0 15123 15123 1533 99.8 0.235 0.235 0.238 0.282 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 1.99 1545 168 1545 0.439 0.457 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 42.28
RMS Deviations
Key Refinement Restraint Deviation
x_improper_angle_d 0.825
x_dihedral_angle_d 27.854
x_angle_deg 1.631
x_bond_d 0.008
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.321
Luzzati Sigma A (Observed) 0.321
Luzzati Resolution Cutoff (Low) 3.0
Luzzati ESD (R-Free Set) 0.345
Luzzati Sigma A (R-Free Set) 0.345
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 844
Nucleic Acid Atoms 0
Heterogen Atoms 20
Solvent Atoms 154

Software

Computing
Computing Package Purpose
HKL-2000 Data Reduction (intensity integration)
HKL-2000 Data Reduction (data scaling)
MLPHARE Structure Solution
X-PLOR 3.851 Structure Refinement
Software
Software Name Purpose
X-PLOR version: 3.851 refinement
MLPHARE model building
HKL-2000 data reduction
HKL-2000 data collection