2AOD

Crystal structure analysis of HIV-1 protease with a substrate analog P2-NC


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP5.4293AMMONIUM SULFATE 17%, CITRATE PHOSPHATE BUFFER PH 5.4, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.652.7

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 57.996α = 90
b = 85.78β = 90
c = 46.532γ = 90
Symmetry
Space GroupP 21 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMAR CCD 165 mm2003-10-07MSINGLE 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
11.45095.50.1018.96.146637
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)
11.41.4566.60.4562.062.2

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-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE RPDB Entry 2AOC1.4104429135279221095.60.15660.15440.1964RANDOM
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
2316631765.03
RMS Deviations
KeyRefinement Restraint Deviation
s_approx_iso_adps0.085
s_non_zero_chiral_vol0.063
s_zero_chiral_vol0.06
s_anti_bump_dis_restr0.048
s_similar_adp_cmpnt0.034
s_from_restr_planes0.0295
s_angle_d0.029
s_bond_d0.011
s_rigid_bond_adp_cmpnt0.003
s_similar_dist
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1512
Nucleic Acid Atoms
Solvent Atoms199
Heterogen Atoms77

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
HKL-2000data reduction
SHELXmodel building
SHELXL-97refinement
HKL-2000data scaling
SHELXphasing