4FKH
Crystal structure of porcine aminopeptidase-N complexed with alanine
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 |
3.18 | 61.32 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 260.251 | α = 90 |
b = 62.892 | β = 100.38 |
c = 81.813 | 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 | ||||||||
2 | 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 | |
2 | SYNCHROTRON | APS BEAMLINE 24-ID-E | APS | 24-ID-E |
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 | |||||||||
1,2 | 2.05 | 50 | 96.2 | 82137 | 79027 | 2 | 2 |
Refinement
Statistics | |||||||||||||||||||
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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 (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
X-RAY DIFFRACTION | MIRAD | THROUGHOUT | 2.05 | 49.74 | 82009 | 74921 | 3942 | 96.09 | 0.13242 | 0.12943 | 0.18857 | RANDOM | 42.525 |
Temperature Factor Modeling | ||||||
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Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
-0.2 | 0.99 | -0.21 | 0.22 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 40.031 |
r_sphericity_free | 30.999 |
r_dihedral_angle_4_deg | 14.468 |
r_sphericity_bonded | 14.162 |
r_dihedral_angle_3_deg | 12.743 |
r_dihedral_angle_1_deg | 5.55 |
r_rigid_bond_restr | 1.641 |
r_angle_refined_deg | 1.151 |
r_chiral_restr | 0.075 |
r_bond_refined_d | 0.006 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 7241 |
Nucleic Acid Atoms | |
Solvent Atoms | 1500 |
Heterogen Atoms | 329 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
SOLVE | phasing |
CNS | refinement |
HKL-2000 | data reduction |
HKL-2000 | data scaling |
HKL-2000 | data collection |