2Q95
E. coli methionine aminopeptidase Mn-form with inhibitor A05
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1XNZ |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 6.5 | 291 | 10-15% PEG 20000, 0.1 M MES (pH 6.5), vapor diffusion, hanging drop, temperature 291K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.06 | 40.3 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 38.847 | α = 90 |
b = 62.373 | β = 108.39 |
c = 52.422 | 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 | IMAGE PLATE | RIGAKU RAXIS IV | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU | 1.5418 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (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 | 1.7 | 23.966 | 100 | 0.055 | 0.055 | 9.2 | 3.6 | 26219 |
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) | Redundancy | Number Unique Reflections (All) | ||||||||||
1.7 | 1.79 | 100 | 0.389 | 0.389 | 1.8 | 3.5 | 3798 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Work | R-Free | Mean Isotropic B | |||||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | 1xnz | 1.7 | 20 | 26200 | 2580 | 100 | 0.214 | 0.239 | 19.571 |
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] | |
2.255 | 3.958 | -5.318 | 3.063 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_scangle_it | 2.966 |
c_scbond_it | 2.069 |
c_mcangle_it | 1.459 |
c_angle_d | 1.327 |
c_mcbond_it | 1.065 |
c_bond_d | 0.005 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 2044 |
Nucleic Acid Atoms | |
Solvent Atoms | 195 |
Heterogen Atoms | 21 |
Software
Software | |
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Software Name | Purpose |
SCALA | data scaling |
MOLREP | phasing |
CNS | refinement |
PDB_EXTRACT | data extraction |
MOSFLM | data reduction |