1AQZ

CRYSTAL STRUCTURE OF A HIGHLY SPECIFIC ASPERGILLUS RIBOTOXIN, RESTRICTOCIN


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1vapor diffusion and microdialysis6.8A COMBINATION OF VAPOR DIFFUSION AND MICRODIALYSIS TECHNIQUES WERE USED TO CRYSTALLIZE RESTRICTOCIN. THE FINAL MOTHER LIQUOR CONSISTS OF 60% ETHANOL, 10MM SODIUM PHOSPHATE, PH6.8. THE PROTEIN CONCENTRATION IS 10MG/ML., vapor diffusion and microdialysis
Crystal Properties
Matthews coefficientSolvent content
2.2946

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 50.24α = 90
b = 82.16β = 100.5
c = 38.04γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray298IMAGE PLATEFUJIMIRROR1994-08-09L
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSLS BEAMLINE X26C0.7, 2.05NSLSX26C

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
11.7885.60.0398283282
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
1.71.7854.8

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONSINGLE ISOMORPHOUS REPLACEMENT AND ANOMALOUS SCATTERINGTHROUGHOUT1.78228328223285.60.2370.2370.177RANDOM19.9
Temperature Factor Modeling
Anisotropic B[1][1]Anisotropic B[1][2]Anisotropic B[1][3]Anisotropic B[2][2]Anisotropic B[2][3]Anisotropic B[3][3]
RMS Deviations
KeyRefinement Restraint Deviation
x_dihedral_angle_d27.1
x_angle_deg2.02
x_improper_angle_d1.8
x_bond_d0.018
x_bond_d_na
x_bond_d_prot
x_angle_d
x_angle_d_na
x_angle_d_prot
x_angle_deg_na
RMS Deviations
KeyRefinement Restraint Deviation
x_dihedral_angle_d27.1
x_angle_deg2.02
x_improper_angle_d1.8
x_bond_d0.018
x_bond_d_na
x_bond_d_prot
x_angle_d
x_angle_d_na
x_angle_d_prot
x_angle_deg_na
x_angle_deg_prot
x_dihedral_angle_d_na
x_dihedral_angle_d_prot
x_improper_angle_d_na
x_improper_angle_d_prot
x_mcbond_it
x_mcangle_it
x_scbond_it
x_scangle_it
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2272
Nucleic Acid Atoms
Solvent Atoms205
Heterogen Atoms15

Software

Software
Software NamePurpose
LaueViewdata collection
LaueViewdata reduction
PHASESphasing
X-PLORmodel building
X-PLORrefinement
LaueViewdata scaling
X-PLORphasing