3CYW

Effect of Flap Mutations on Structure of HIV-1 Protease and Inhibition by Saquinavir and Darunavir


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1DAZPDB entry 1DAZ

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP5.8295CITRATE/PHOSPHATE BUFFER, KCl, 1.3M, pH 5.8, VAPOR DIFFUSION, HANGING DROP, temperature 295K
Crystal Properties
Matthews coefficientSolvent content
2.6753.94

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 58.16α = 90
b = 86.25β = 90
c = 45.92γ = 90
Symmetry
Space GroupP 21 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray95CCDMARMOSAIC 300 mm CCD2006-02-16MSINGLE 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
11.45082.10.09413.23.5404353321142
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)
11.41.4555.80.20321.5

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 (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE RPDB entry 1DAZ1.4104043533211202282.10.16880.160.2342RANDOM
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
1216491737.3
RMS Deviations
KeyRefinement Restraint Deviation
s_anti_bump_dis_restr0.272
s_approx_iso_adps0.086
s_non_zero_chiral_vol0.061
s_similar_adp_cmpnt0.059
s_zero_chiral_vol0.051
s_angle_d0.029
s_from_restr_planes0.029
s_bond_d0.011
s_rigid_bond_adp_cmpnt0.003
s_similar_dist
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1518
Nucleic Acid Atoms
Solvent Atoms189
Heterogen Atoms49

Software

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