3NJL
D116A mutant of SO1698 protein, an aspartic peptidase from Shewanella oneidensis, at pH7.5
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
---|---|---|---|
Type | Source | Accession Code | Details |
experimental model | PDB | 3N55 |
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 7.5 | 291 | 0.1 M HEPES buffer, 0.5 M magnesium sulfate, pH 7.5, VAPOR DIFFUSION, SITTING DROP, temperature 291K |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
3.53 | 65.2 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 100.151 | α = 90 |
b = 100.151 | β = 90 |
c = 100.216 | γ = 120 |
Symmetry | |
---|---|
Space Group | H 3 2 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 100 | CCD | SBC-3 | 2005-11-13 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 19-BM | 0.9792 | APS | 19-BM |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 1.75 | 31.2 | 99.6 | 0.043 | 11.1 | 10.3 | 19469 | 19469 | 36.1 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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 | 1.75 | 1.8 | 99.1 | 0.786 | 2.45 | 8.8 | 1603 |
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 | 1.75 | 31.2 | 19371 | 19371 | 988 | 99.08 | 0.166 | 0.166 | 0.166 | 0.172 | RANDOM | 33.232 |
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] | |
0.07 | 0.03 | 0.07 | -0.1 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 42.114 |
r_dihedral_angle_3_deg | 13.988 |
r_dihedral_angle_1_deg | 6.919 |
r_dihedral_angle_4_deg | 6.129 |
r_scangle_it | 4.246 |
r_scbond_it | 2.507 |
r_mcangle_it | 1.859 |
r_angle_refined_deg | 1.602 |
r_mcbond_it | 1.088 |
r_angle_other_deg | 0.904 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 895 |
Nucleic Acid Atoms | |
Solvent Atoms | 128 |
Heterogen Atoms | 1 |
Software
Software | |
---|---|
Software Name | Purpose |
DENZO | data reduction |
SCALEPACK | data scaling |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
SBC-Collect | data collection |
HKL-2000 | data reduction |
MOLREP | phasing |