3FIV

CRYSTAL STRUCTURE OF FELINE IMMUNODEFICIENCY VIRUS PROTEASE COMPLEXED WITH A SUBSTRATE


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
15.6PROTEIN WAS CRYSTALLIZED FROM 2.0 M AMMONIUM SULFATE, 0.1 M SODIUM ACETATE, PH=5.6. PROTEIN CONCENTRATION, 5.0 MG/ML. CRYSTALLIZATION METHOD: HANGING DROP VAPOR DIFFUSION
Crystal Properties
Matthews coefficientSolvent content
2.0537.61

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 50.89α = 90
b = 50.89β = 90
c = 74.53γ = 120
Symmetry
Space GroupP 31

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray293IMAGE PLATEMACSCIENCEMIRRORS1996-04-23M
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODEENRAF-NONIUS FR591

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Sym 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
11.82087.20.091162.32404651
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.81.8360.80.422.591.65

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTPDB ENTRY 1FIV1.85831518789.50.1720.17228
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_d27.6
x_mcangle_it3.304
x_scangle_it3.304
x_mcbond_it3.138
x_scbond_it3.138
x_angle_deg1.82
x_improper_angle_d1.52
x_bond_d0.014
x_bond_d_na
x_bond_d_prot
RMS Deviations
KeyRefinement Restraint Deviation
x_dihedral_angle_d27.6
x_mcangle_it3.304
x_scangle_it3.304
x_mcbond_it3.138
x_scbond_it3.138
x_angle_deg1.82
x_improper_angle_d1.52
x_bond_d0.014
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
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1900
Nucleic Acid Atoms
Solvent Atoms148
Heterogen Atoms10

Software

Software
Software NamePurpose
X-PLORmodel building
X-PLORrefinement
DENZOdata reduction
SCALEPACKdata scaling
X-PLORphasing