3PCZ

Endothiapepsin in complex with benzamidine


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP4.62890.1 M Ammonium Acetate, 26 % PEG 4000, VAPOR DIFFUSION, SITTING DROP, temperature 277K, pH 4.6, temperature 289K
Crystal Properties
Matthews coefficientSolvent content
2.4249.17

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 45.46α = 90
b = 72.79β = 109.85
c = 52.58γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 225 mm CCDmirrors2009-08-01MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSLS BEAMLINE X06DA1.000SLSX06DA

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
11.5401000.0815.53.65127251272
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)
11.51.531000.4922.42.82284

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-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONAB INITIO PHASINGFREE R1.5104603146031240489.60.12920.1816RANDOM
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
822642651
RMS Deviations
KeyRefinement Restraint Deviation
s_approx_iso_adps0.081
s_non_zero_chiral_vol0.052
s_zero_chiral_vol0.047
s_similar_adp_cmpnt0.042
s_anti_bump_dis_restr0.039
s_from_restr_planes0.0288
s_angle_d0.027
s_bond_d0.009
s_rigid_bond_adp_cmpnt0.003
s_similar_dist
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2381
Nucleic Acid Atoms
Solvent Atoms239
Heterogen Atoms31

Software

Software
Software NamePurpose
MAR345dtbdata collection
PHASERphasing
SHELXL-97refinement
HKL-2000data reduction
HKL-2000data scaling