1E34
PORCINE PANCREATIC ELASTASE COMPLEXED WITH (3S, 4S)N-PARA- TOLUENESULPHONYL-3-ETHYL-4-(CARBOXYLIC ACID) PYRROLIDIN-2-ONE SOAKED IN PH 9 BUFFER FOR ONE MINUTE
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
---|---|---|---|
Type | Source | Accession Code | Details |
experimental model | PDB | 3EST |
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | 9 | 25MM SODIUM SULPHATE, 25MM SODIUM ACETATE, PH 5.0; THEN SOAKED IN 25 MM SODIUM SULPHATE, 50MM SODIUM ACETATE, 20 MG/ML GAMMA-LACTAM, 10% (V/V) DMSO, PH 5.0 FOR 24 HOURS |
Crystal Properties | |
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Matthews coefficient | Solvent content |
1.83 | 32.2 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 50.43 | α = 90 |
b = 57.54 | β = 90 |
c = 74.39 | γ = 90 |
Symmetry | |
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Space Group | P 21 21 21 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | CCD | PRINCETON SCIENTIFIC INSTRUMENTS | 1997-02-15 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE BM14 | ESRF | BM14 |
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 | 1.8 | 19.62 | 95.6 | 0.047 | 14.56 | 7.12 | 19681 | 14.05 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
1 | 1.8 | 1.83 | 84.6 | 0.062 | 10.07 | 1.49 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 3EST | 1.8 | 19.62 | 19681 | 810 | 95.6 | 0.19 | 0.218 | RANDOM | 16.74 |
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] | |
1.61 | -0.27 | -1.09 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
p_transverse_tor | 22.5 |
p_staggered_tor | 15 |
p_planar_tor | 3.8 |
p_scangle_it | 2.88 |
p_mcangle_it | 2.04 |
p_scbond_it | 1.87 |
p_mcbond_it | 1.45 |
p_multtor_nbd | 0.25 |
p_singtor_nbd | 0.18 |
p_xyhbond_nbd | 0.15 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1822 |
Nucleic Acid Atoms | |
Solvent Atoms | 149 |
Heterogen Atoms | 27 |
Software
Software | |
---|---|
Software Name | Purpose |
REFMAC | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |
X-PLOR | phasing |