1W7V
ZnMg substituted aminopeptidase P from E. coli
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1WL9 | PDB ENTRY 1WL9 WITH ALL HET ATOMS, WATERS AND MULTIPLE CONFORMERS REMOVED |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 8.3 | ROOM TEMPERATURE HANGING DROP WITH 16% PEG4K, 0.1 M TRIS (PH8.3), 0.2 M MGCL2. TRANSFERRED TO A DROP ABOVE CONDITIONS PLUS WITH 10 MM VAL-PRO-LEU PEPTIDE AND ALLOWED TO EQUILIBRATE OVERNIGHT., pH 8.30 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
4.4 | 71.8 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 111.731 | α = 90 |
b = 236.527 | β = 106.34 |
c = 137.997 | 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 | 100 | CCD | ADSC CCD | MIRROR | 2004-07-01 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SSRL BEAMLINE BL9-2 | SSRL | BL9-2 |
Data Collection
Overall | |||||||||||||||||||
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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 | 40 | 97.9 | 0.07 | 13.9 | 2.9 | 225729 | -3 | 32.21 |
Highest Resolution Shell | |||||||||||||||||||
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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 | 2.07 | 96.3 | 0.44 | 6 | 2.7 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | 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 | PDB ENTRY 1WL9 WITH ALL HET ATOMS, WATERS AND MULTIPLE CONFORMERS REMOVED | 2 | 37.8 | 214328 | 11297 | 97.9 | 0.157 | 0.156 | 0.18 | RANDOM | 36.28 |
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] | |
2.04 | 1.44 | -0.15 | -1.08 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 36.13 |
r_dihedral_angle_4_deg | 16.981 |
r_dihedral_angle_3_deg | 12.084 |
r_scangle_it | 8.978 |
r_scbond_it | 5.879 |
r_dihedral_angle_1_deg | 5.501 |
r_mcangle_it | 3.689 |
r_mcbond_it | 3.189 |
r_angle_refined_deg | 1.106 |
r_angle_other_deg | 0.762 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 14028 |
Nucleic Acid Atoms | |
Solvent Atoms | 1094 |
Heterogen Atoms | 14 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |
AMoRE | phasing |