1M6N
Crystal structure of the SecA translocation ATPase from Bacillus subtilis
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7 | 299 | 2 M ammonium sulfate, 30% glycerol, 1 mM DTT, 100 mM BES, pH 7.0, VAPOR DIFFUSION, HANGING DROP at 299K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
4.06 | 69.73 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 130.833 | α = 90 |
b = 130.833 | β = 90 |
c = 150.35 | γ = 120 |
Symmetry | |
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Space Group | P 31 1 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 | AREA DETECTOR | MARRESEARCH | 1997-12-15 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE ID2 | 0.986 | ESRF | ID2 |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | R Sym 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 | 2.7 | 45 | 99.5 | 0.073 | 0.073 | 18.9 | 6.9 | 40576 | 40372 | -3 | 62 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||||
1 | 2.7 | 2.75 | 0.973 | 2.14 | 2018 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | 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 | MIR | THROUGHOUT | 2.7 | 45.24 | 2 | 32620 | 1616 | 80.4 | 0.22 | 0.22 | 0.301 | RANDOM | 98.4 |
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] | |
-6.54 | 2.11 | -6.54 | 13.07 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
c_scbond_it | 40.71 |
c_scangle_it | 39.94 |
c_dihedral_angle_d | 23.2 |
c_mcangle_it | 11.26 |
c_mcbond_it | 7.19 |
c_angle_deg | 1.7 |
c_improper_angle_d | 1.67 |
c_bond_d | 0.013 |
c_bond_d_na | |
c_bond_d_prot |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 6402 |
Nucleic Acid Atoms | |
Solvent Atoms | 45 |
Heterogen Atoms | 35 |
Software
Software | |
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Software Name | Purpose |
DM | model building |
X-PLOR | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |
DM | phasing |