3MGK
CRYSTAL STRUCTURE OF PROBABLE PROTEASE/AMIDASE FROM Clostridium acetobutylicum ATCC 824
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 7.5 | 294 | 0.1M BIS-TRIS, PH 6.5, 25% PEG3350, 200MM AMMONIUM ACETATE, 10% GLYCEROL, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 294K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.21 | 44.29 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 151.539 | α = 90 |
b = 70.354 | β = 101.18 |
c = 40.195 | γ = 90 |
Symmetry | |
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Space Group | C 1 2 1 |
Diffraction
Diffraction Experiment | ||||||||||||||
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ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 93 | CCD | ADSC QUANTUM 315 | MIRRORS | 2010-03-28 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | NSLS BEAMLINE X29A | NSLS | X29A |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Sym 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 | 40 | 99.5 | 0.062 | 9 | 3.2 | 28333 | -5 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
2 | 2.07 | 95.8 | 0.77 | 1.3 | 3 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | |||||||
X-RAY DIFFRACTION | SAD | THROUGHOUT | 2 | 20 | 27055 | 901 | 99.61 | 0.1884 | 0.18643 | 0.24326 | RANDOM | 55.627 |
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] | |
-2.86 | 2.52 | 3.69 | 0.14 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 35.327 |
r_dihedral_angle_4_deg | 21.55 |
r_dihedral_angle_3_deg | 17.765 |
r_scangle_it | 9.78 |
r_scbond_it | 7.279 |
r_mcangle_it | 6.091 |
r_dihedral_angle_1_deg | 5.831 |
r_mcbond_it | 4.371 |
r_angle_refined_deg | 1.321 |
r_chiral_restr | 0.097 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3198 |
Nucleic Acid Atoms | |
Solvent Atoms | 114 |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
SHELX | model building |
REFMAC | refinement |
HKL-2000 | data reduction |
HKL-2000 | data scaling |
SHELX | phasing |