2H6T

Secreted aspartic proteinase (Sap) 3 from Candida albicans complexed with pepstatin A


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP6.529315% PEG 4000, 0.2 M potassium bromide, 0.1 M cacodylic acid/ NaOH , pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.5251.13

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 61.1α = 90
b = 61.1β = 90
c = 170.74γ = 120
Symmetry
Space GroupP 32 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMAR CCD 165 mm2005-03-10MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONMPG/DESY, HAMBURG BEAMLINE BW61.05MPG/DESY, HAMBURGBW6

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
11.82099.30.0513.7396973519622
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)
11.81.861000.3483459

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Cut-off Sigma (F)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 REPLACEMENTTHROUGHOUT1.919.862.32979928626141995.40.2510.2480.2390.251RANDOM28.8
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]
6.283.256.28-12.57
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d26.9
c_scangle_it4.65
c_scbond_it3.77
c_mcangle_it2.55
c_mcbond_it1.82
c_angle_deg1.7
c_improper_angle_d1.14
c_bond_d0.009
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2623
Nucleic Acid Atoms
Solvent Atoms318
Heterogen Atoms1

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
MOLREPphasing
CNSrefinement
PDB_EXTRACTdata extraction