3NJH
D37A mutant of SO1698 protein, an aspartic peptidase from Shewanella oneidensis.
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 3N55 |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 6.5 | 291 | 0.2 M calcium chloride, 0.1 M Bis-Tris buffer, 45% 2-methyl-2,4-pentanediol, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 291K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.33 | 63.11 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 97.986 | α = 90 |
b = 97.986 | β = 90 |
c = 65.844 | γ = 120 |
Symmetry | |
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Space Group | P 3 |
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 QUANTUM 315 | 2006-04-23 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 19-ID | 0.9792 | APS | 19-ID |
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 | 1.94 | 39.3 | 100 | 0.132 | 8.5 | 5.5 | 51991 | 51991 | 39.1 |
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 | 1.94 | 1.97 | 100 | 0.718 | 2.12 | 5.1 | 2630 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 3N55 | 1.94 | 39.3 | 51985 | 51985 | 5184 | 99.89 | 0.1296 | 0.1296 | 0.127 | 0.1524 | RANDOM | 23.0839 |
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] | |
5.26 | 5.26 | -10.53 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 43.003 |
r_dihedral_angle_3_deg | 16.732 |
r_dihedral_angle_4_deg | 14.741 |
r_dihedral_angle_1_deg | 7.077 |
r_scangle_it | 2.895 |
r_scbond_it | 1.971 |
r_angle_refined_deg | 1.677 |
r_mcangle_it | 1.256 |
r_angle_other_deg | 1.096 |
r_mcbond_it | 0.782 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3644 |
Nucleic Acid Atoms | |
Solvent Atoms | 317 |
Heterogen Atoms | 12 |
Software
Software | |
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Software Name | Purpose |
DENZO | data reduction |
SCALEPACK | data scaling |
PHASER | phasing |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
SBC-Collect | data collection |
HKL-2000 | data reduction |
HKL-3000 | data scaling |