1NH0

1.03 A structure of HIV-1 protease: inhibitor binding inside and outside the active site


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1VIK 

Crystallization

Crystal Properties
Matthews coefficientSolvent content
1.9436.64

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 28.913α = 90
b = 66.562β = 90
c = 93.147γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSC QUANTUM 42001-11-12MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID14-2ESRFID14-2

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
11.0354.1990.08910.59.889657887847.9
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)
11.031.0693.30.5951.855.2

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-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R1VIK1.03688225882252205990.13050.13050.13010.1654RANDOM
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
2016701839.62
RMS Deviations
KeyRefinement Restraint Deviation
s_non_zero_chiral_vol0.175
s_zero_chiral_vol0.144
s_approx_iso_adps0.085
s_anti_bump_dis_restr0.054
s_similar_adp_cmpnt0.054
s_angle_d0.036
s_from_restr_planes0.0304
s_bond_d0.016
s_rigid_bond_adp_cmpnt0.01
s_similar_dist
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1616
Nucleic Acid Atoms
Solvent Atoms233
Heterogen Atoms15

Software

Software
Software NamePurpose
XDSdata scaling
XSCALEdata scaling
EPMRphasing
SHELXL-97refinement
XDSdata reduction