2PBH

CRYSTAL STRUCTURE OF HUMAN PROCATHEPSIN B AT 3.3 ANGSTROM RESOLUTION


X-RAY DIFFRACTION

Starting Model(s)

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

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
17.2PROTEIN WAS CRYSTALLIZED FROM 2 M AMMONIUM SULFATE, 700 MM TRIS, PH 7.2
Crystal Properties
Matthews coefficientSolvent content
2.3548

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 78.75α = 90
b = 78.75β = 90
c = 153.64γ = 120
Symmetry
Space GroupP 65 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray283IMAGE PLATEMARRESEARCHCOLLIMATOR1995-10-13M
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU RUH2R

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
13.3894.20.1860.083.98.542972
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
3.33.496.70.0660.3162.44.2

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTPDB ENTRY3.310240110.23130.269
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]
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2342
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms

Software

Software
Software NamePurpose
MOSFLMdata reduction
CCP4data reduction
MAINmodel building
MAINrefinement
CCP4data scaling
MAINphasing