3C8C
Crystal structure of Mcp_N and cache domains of methyl-accepting chemotaxis protein from Vibrio cholerae
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | 6.5 | 100mM Sodium cacodylate pH 6.5, 200mM Sodium acetate, 30% PEG 8000, 10% Glycerol, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 294K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.22 | 44.58 |
Crystal Data
Unit Cell | |
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Length ( ? ) | Angle ( ? ) |
a = 103.202 | ¦Á = 90 |
b = 140.942 | ¦Â = 90 |
c = 32.221 | ¦Ã = 90 |
Symmetry | |
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Space Group | P 21 21 2 |
Diffraction
Diffraction Experiment | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 77 | CCD | MAR CCD 165 mm | 2008-02-08 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | APS BEAMLINE 31-ID | 0.9796 | APS | 31-ID |
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 | 1.46 | 20.14 | 96.1 | 0.108 | 13.1 | 13.7 | 81575 | -5 | 16.86 |
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) | |||||||||||
1.46 | 1.54 | 95.6 | 0.92 | 2.4 | 11.8 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | 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 | SAD | THROUGHOUT | 1.5 | 20 | 74206 | 2307 | 99.94 | 0.19495 | 0.19372 | 0.23452 | RANDOM | 22.399 |
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] | |
-0.51 | -0.62 | 1.13 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 40.328 |
r_dihedral_angle_3_deg | 15.087 |
r_dihedral_angle_4_deg | 13.295 |
r_scangle_it | 6.842 |
r_dihedral_angle_1_deg | 5.092 |
r_scbond_it | 4.519 |
r_mcangle_it | 3.762 |
r_mcbond_it | 2.905 |
r_angle_refined_deg | 1.285 |
r_nbtor_refined | 0.301 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3972 |
Nucleic Acid Atoms | |
Solvent Atoms | 653 |
Heterogen Atoms | 2 |
Software
Software | |
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Software Name | Purpose |
SHELX | model building |
REFMAC | refinement |
MAR345 | data collection |
HKL-2000 | data reduction |
HKL-2000 | data scaling |
SHELXD | phasing |