3OXC

Wild Type HIV-1 Protease with Antiviral Drug Saquinavir


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP5.4298AMMONIUM SULFATE 40%, CITRATE PHOSPHATE BUFFER PH 5.4, VAPOR DIFFUSION, HANGING DROP, temperature 298 K
Crystal Properties
Matthews coefficientSolvent content
2.2745.7

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 52.1α = 90
b = 59.78β = 90
c = 62.49γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray90CCDMARMOSAIC 300 mm CCD2004-11-11MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 22-ID1.000APS22-ID

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
11.165096.60.07514.65.667949679499.946
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)
11.161.272.60.34833

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R2NMY1.16106553465534327996.50.13920.13710.13710.1779RANDOM
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
241640.71762.9
RMS Deviations
KeyRefinement Restraint Deviation
s_approx_iso_adps0.129
s_non_zero_chiral_vol0.115
s_zero_chiral_vol0.071
s_angle_d0.04
s_similar_adp_cmpnt0.038
s_anti_bump_dis_restr0.032
s_from_restr_planes0.0285
s_bond_d0.017
s_rigid_bond_adp_cmpnt0.005
s_similar_dist
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1512
Nucleic Acid Atoms
Solvent Atoms201
Heterogen Atoms65

Software

Software
Software NamePurpose
HKL-2000data collection
MOLREPphasing
SHELXL-97refinement
HKL-2000data reduction
HKL-2000data scaling