1IB4
Crystal Structure of Polygalacturonase from Aspergillus Aculeatus at Ph4.5
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | MICRODIALYSIS | 4.6 | 277 | 30% PEG400, 0.02M CdCl2, 0.1M sodium acetate pH 4.5 , pH 4.6, MICRODIALYSIS, temperature 277K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.15 | 42.79 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 56.1 | α = 90 |
b = 96.4 | β = 107.3 |
c = 57.77 | γ = 90 |
Symmetry | |
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Space Group | P 1 21 1 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 288 | AREA DETECTOR | ENRAF-NONIUS FAST | COLLIMATOR | 1999-12-01 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU RU200H | 1.5418 |
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 | 25 | 91.4 | 0.087 | 13.2 | 2.3 | 77804 | 33790 | 2 | 4 | 3.6 |
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 | 2 | 2.13 | 67.3 | 0.156 | 4.6 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | FREE R | 2 | 24.1 | 33790 | 33790 | 1691 | 0.168 | 0.168 | 0.168 | 0.217 | RANDOM |
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 Method | Refinement High Resolution | Refinement Low Resolution |
5592 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
s_similar_adp_cmpnt | 0.07 |
s_non_zero_chiral_vol | 0.03 |
s_from_restr_planes | 0.025 |
s_angle_d | 0.02 |
s_zero_chiral_vol | 0.02 |
s_anti_bump_dis_restr | 0.01 |
s_bond_d | |
s_similar_dist | |
s_rigid_bond_adp_cmpnt |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 4866 |
Nucleic Acid Atoms | |
Solvent Atoms | 425 |
Heterogen Atoms | 301 |
Software
Software | |
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Software Name | Purpose |
MADNESS | data collection |
SCALA | data scaling |
CNS | refinement |
SHELXL-97 | refinement |
MADNESS | data reduction |
CCP4 | data scaling |
CNS | phasing |