1BXO

ACID PROTEINASE (PENICILLOPEPSIN) (E.C.3.4.23.20) COMPLEX WITH PHOSPHONATE INHIBITOR: METHYL CYCLO[(2S)-2-[[(1R)-1-(N-(L-N-(3-METHYLBUTANOYL)VALYL-L-ASPARTYL)AMINO)-3-METHYLBUT YL] HYDROXYPHOSPHINYLOXY]-3-(3-AMINOMETHYL) PHENYLPROPANOATE


X-RAY DIFFRACTION

Starting Model(s)

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

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
14.60.1 M CH3COONA 35% AMMONIUM SULFATE PH 4.6
Crystal Properties
Matthews coefficientSolvent content
1.9150

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 96.98α = 90
b = 46.65β = 115.57
c = 65.71γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDADSCCRYSTAL AND MIRROR1997-11-15MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONCHESS BEAMLINE F1CHESSF1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (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
10.9510980.0530.0553.92.76430728
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)
10.950.9853.80.160.0361.4

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONOTHERUNTIL NEAR END1PPL0.951043072843072980.10040.09910.124710%
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
312247.62973.4
RMS Deviations
KeyRefinement Restraint Deviation
s_anti_bump_dis_restr0.124
s_non_zero_chiral_vol0.123
s_zero_chiral_vol0.096
s_angle_d0.034
s_bond_d0.017
s_similar_dist
s_from_restr_planes
s_rigid_bond_adp_cmpnt
s_similar_adp_cmpnt
s_approx_iso_adps
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2366
Nucleic Acid Atoms
Solvent Atoms528
Heterogen Atoms83

Software

Software
Software NamePurpose
MOSFLMdata reduction
SCALAdata scaling
SHELXL-97refinement
CCP4data scaling