THREE-DIMENSIONAL STRUCTURE OF PORCINE PROCARBOXYPEPTIDASE B: A STRUCTURAL BASIS OF ITS INACTIVITY
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | 5 | 1.5 M AMMONIUM SULFATE AT PH5, pH 5.0 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.75 | 55.29 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 103.1 | α = 90 |
b = 103.1 | β = 90 |
c = 46.6 | γ = 90 |
Symmetry | |
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Space Group | P 43 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 277 | TV AREA DETECTOR | BRUKER NONIUS FAST | M |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Net I Over Average Sigma (I) | Redundancy | Number Reflections (All) | Number Reflections (Observed) | Observed Criterion Sigma (F) | Observed Criterion Sigma (I) | B (Isotropic) From Wilson Plot | ||||||||
1 | 2.3 | 93.7 | 0.09 | 23217 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Work (Depositor) | R-Free (Depositor) | Mean Isotropic B | ||||||||||
X-RAY DIFFRACTION | 2.3 | 8 | 20131 | 0.169 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 3174 |
Nucleic Acid Atoms | |
Solvent Atoms | 204 |
Heterogen Atoms | 1 |
Software
Software | |
---|---|
Software Name | Purpose |
MADNES | data collection |
ABSCOR | data reduction |
FRODO | model building |
EREF | refinement |
MADNES | data reduction |
ABSCOR | data scaling |