2G69

Structure of Unliganded HIV-1 Protease F53L Mutant


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6293The reservoir contained 0.2 M sodium citrate, phosphate buffer (pH = 6.0-6.4), 10% DMSO, and 20-30% saturated ammonium sulfate as a precipitant., VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.4148.91

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 60.946α = 90
b = 60.946β = 90
c = 55.551γ = 90
Symmetry
Space GroupP 41 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARRESEARCH2003-12-12MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 22-ID1.0APS22-ID

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
11.351085.3227791943742
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.351.497.3

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (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 R1.3510227791943711380.15970.15520.234RANDOM
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
2811830.5
RMS Deviations
KeyRefinement Restraint Deviation
s_anti_bump_dis_restr0.072
s_similar_adp_cmpnt0.069
s_non_zero_chiral_vol0.065
s_zero_chiral_vol0.057
s_from_restr_planes0.0308
s_angle_d0.03
s_bond_d0.012
s_rigid_bond_adp_cmpnt0.004
s_similar_dist
s_approx_iso_adps
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms753
Nucleic Acid Atoms
Solvent Atoms91
Heterogen Atoms

Software

Software
Software NamePurpose
SHELXmodel building
SHELXL-97refinement
MAR345data collection
SCALEPACKdata scaling
CCP4phasing