1B6L

HIV-1 PROTEASE COMPLEXED WITH MACROCYCLIC PEPTIDOMIMETIC INHIBITOR 4


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1CPIPDB ENTRY 1CPI

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
15.50.1 M ACETATE BUFFER PH 5.5 AND 30-60% AMMONIUM SULFATE
Crystal Properties
Matthews coefficientSolvent content
2.1743.42

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 51.25α = 90
b = 59.19β = 90
c = 61.76γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray289IMAGE PLATERIGAKU RAXIS IIC1995-06-01MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU RU200

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Sym 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
11.7550880.0799.63.117359111.2
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
1.751.81500.2722.5

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONOTHERTHROUGHOUTPDB ENTRY 1CPI1.75817014169088.20.2020.226RANDOM20.8
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]
RMS Deviations
KeyRefinement Restraint Deviation
x_dihedral_angle_d26.7
x_scangle_it3.04
x_scbond_it1.89
x_mcangle_it1.84
x_angle_deg1.3
x_improper_angle_d1.21
x_mcbond_it1.15
x_bond_d0.006
x_bond_d_na
x_bond_d_prot
RMS Deviations
KeyRefinement Restraint Deviation
x_dihedral_angle_d26.7
x_scangle_it3.04
x_scbond_it1.89
x_mcangle_it1.84
x_angle_deg1.3
x_improper_angle_d1.21
x_mcbond_it1.15
x_bond_d0.006
x_bond_d_na
x_bond_d_prot
x_angle_d
x_angle_d_na
x_angle_d_prot
x_angle_deg_na
x_angle_deg_prot
x_dihedral_angle_d_na
x_dihedral_angle_d_prot
x_improper_angle_d_na
x_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1560
Nucleic Acid Atoms
Solvent Atoms99
Heterogen Atoms54

Software

Software
Software NamePurpose
X-PLORmodel building
X-PLORrefinement
DENZOdata reduction
SCALEPACKdata scaling
X-PLORphasing