3PWR

HIV-1 Protease Mutant L76V complexed with Saquinavir


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
17298CRYSTAL WAS GROWN BY THE HANGING-DROP VAPOR-DIFFUSION METHOD AT ROOM TEMPERATURE, FROM A 7 MG/ML PROTEIN SOLUTION AT PH 7.0 WITH 1.3 M NACL, 0.1 M TRIS-HCL, 3% DMSO. THE INHIBITOR WAS MIXED WITH PROTEASE IN A RATIO 5:1, VAPOR DIFFUSION HANGING DROP, TEMPERATURE 298K, VAPOR DIFFUSION, HANGING DROP
Crystal Properties
Matthews coefficientSolvent content
2.7354.98

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 58.84α = 90
b = 86.17β = 90
c = 46.24γ = 90
Symmetry
Space GroupP 21 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 300 mm CCD2008-10-09MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 22-IDAPS22-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
11.455090.10.06427.36.638308
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)
11.451.556.40.482.23.8

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (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 DIFFRACTIONMOLECULAR REPLACEMENTFREE R2NMY1.451038108189990.10.1480.1450.197RANDOM
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
1216481732.74
RMS Deviations
KeyRefinement Restraint Deviation
s_approx_iso_adps0.09
s_non_zero_chiral_vol0.062
s_zero_chiral_vol0.052
s_angle_d0.03
s_from_restr_planes0.03
s_bond_d0.01
s_rigid_bond_adp_cmpnt0.003
s_similar_dist
s_anti_bump_dis_restr
s_similar_adp_cmpnt
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1510
Nucleic Acid Atoms
Solvent Atoms182
Heterogen Atoms98

Software

Software
Software NamePurpose
MAR345data collection
MOLREPphasing
SHELXL-97refinement
HKL-2000data reduction
HKL-2000data scaling