4HOM
Crystal structure of porcine aminopeptidase-N complexed with substance P
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 7.2 | 277 | 18% PEG3350, 200 mM lithium sulfate, 100 mM HEPES, pH 7.2, VAPOR DIFFUSION, SITTING DROP, temperature 277K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.13 | 60.73 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 261.573 | α = 90 |
b = 62.598 | β = 100.27 |
c = 81.553 | 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 | CCD | ADSC QUANTUM 315 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 19-ID | APS | 19-ID |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (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 | 1.85 | 50 | 98.2 | 102618 | 100774 | 2 | 2 |
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 | MOLECULAR REPLACEMENT | THROUGHOUT | 1.9 | 37.18 | 95596 | 5027 | 98.05 | 0.14979 | 0.1471 | 0.20123 | RANDOM | 33.54 |
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] | |
0.83 | 0.86 | -0.29 | -0.66 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 39.118 |
r_sphericity_free | 26.212 |
r_sphericity_bonded | 16.98 |
r_dihedral_angle_4_deg | 16.012 |
r_dihedral_angle_3_deg | 14.42 |
r_dihedral_angle_1_deg | 6.36 |
r_rigid_bond_restr | 2.169 |
r_angle_refined_deg | 1.127 |
r_chiral_restr | 0.08 |
r_bond_refined_d | 0.006 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 7336 |
Nucleic Acid Atoms | |
Solvent Atoms | 1434 |
Heterogen Atoms | 323 |
Software
Software | |
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Software Name | Purpose |
HKL-2000 | data collection |
SOLVE | phasing |
REFMAC | refinement |
HKL-2000 | data reduction |
HKL-2000 | data scaling |