6FIV

STRUCTURAL STUDIES OF HIV AND FIV PROTEASES COMPLEXED WITH AN EFFICIENT INHIBITOR OF FIV PR


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
15SAMPLE: 3.4MG/ML Q99V IN 25MM IMIDAZOL BUFFER AT PH 7.0 WITH 1MM EDTA AND 10MM DTT. WELL SOLUTION: 1.6M AMMONIUM SULFATE IN SODIUM ACETATE BUFFER AT PH 4.5 MIXING SAMPLE AND WELL SOLLUTION 1:1, pH 5.0
Crystal Properties
Matthews coefficientSolvent content
2.244.4

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 50.76α = 90
b = 50.76β = 90
c = 73.36γ = 120
Symmetry
Space GroupP 31 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray293AREA DETECTORSIEMENS HI-STAR1997-11-09MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU RU200

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
11.9203.10.0786.38437
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.91.97750.3721.98

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONOTHERTHROUGHOUT1.910738587982.50.15510.15730.2657RANDOM
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]
Coordinate Error
Structure Solution MethodRefinement High ResolutionRefinement Low Resolution
2991
RMS Deviations
KeyRefinement Restraint Deviation
s_similar_adp_cmpnt0.089
s_non_zero_chiral_vol0.041
s_zero_chiral_vol0.03
s_from_restr_planes0.027
s_angle_d0.024
s_anti_bump_dis_restr0.007
s_bond_d0.006
s_similar_dist
s_rigid_bond_adp_cmpnt
s_approx_iso_adps
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms891
Nucleic Acid Atoms
Solvent Atoms76
Heterogen Atoms38

Software

Software
Software NamePurpose
X-PLORmodel building
SHELXLrefinement
SHELXL-97refinement
SAINTdata reduction
SAINTdata scaling
X-PLORphasing