3Q77

Structure of human neutrophil elastase in complex with a dihydropyrimidone inhibitor


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP529320% w/v PEG3350, 0.2 M ammonium citrate, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Crystal Properties
Matthew coefficientSolvent content
2.3848.27

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 73.732α = 90
b = 73.732β = 90
c = 70.658γ = 120
Symmetry
Space GroupP 63

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATEMAR scanner 345 mm plate2004-08-20MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONEMBL/DESY, HAMBURG BEAMLINE X31EMBL/DESY, HAMBURGX31

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
11.99824.13497.20.0920.4111449814498
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)
122.0779.70.352.810.8

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTPDB ENTRY 1HNE1.99824.1341.36144981445773597.160.16080.15860.2032
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]
-1.4269-1.42692.8538
RMS Deviations
KeyRefinement Restraint Deviation
f_dihedral_angle_d20.883
f_angle_d1.152
f_chiral_restr0.074
f_bond_d0.008
f_plane_restr0.004
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1636
Nucleic Acid Atoms
Solvent Atoms136
Heterogen Atoms84

Software

Software
Software NamePurpose
PHENIXrefinement
AMoREphasing
REFMACrefinement
DENZOdata reduction
SCALEPACKdata scaling
MAR345dtbdata collection