1PSO

The crystal structure of human pepsin and its complex with pepstatin


X-RAY DIFFRACTION

Crystallization

Crystal Properties
Matthews coefficientSolvent content
3.2459.7

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 72.068α = 90
b = 150.972β = 90
c = 40.854γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-rayAREA DETECTORSAN DIEGO MULTIWIRE DETECTION SYSTEM1994-06-17
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODE1.5418

Data Collection

Refinement

Statistics
Diffraction IDStructure Solution MethodResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTION2303058498.60.18523
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]
RMS Deviations
KeyRefinement Restraint Deviation
o_improper_angle_d2.75
o_angle_deg2.46
o_bond_d0.011
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2486
Nucleic Acid Atoms
Solvent Atoms234
Heterogen Atoms

Software

Software
Software NamePurpose
GROMOSrefinement
SANdata reduction