2CNZ
Salmonella enterica SafA pilin in complex with a 19-residue SafA Nte peptide (V13A mutant)
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | 4.6 | pH 4.60 |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.56 | 51.65 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 69.654 | α = 90 |
b = 69.654 | β = 90 |
c = 126.503 | γ = 120 |
Symmetry | |
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Space Group | P 61 2 2 |
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 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ESRF BEAMLINE ID29 | ESRF | ID29 |
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 | 1.6 | 20 | 99.4 | 0.16 | 7.4 | 3.6 | 45514 | 16.1 |
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 | 1.6 | 1.69 | 100 | 0.26 | 3.2 | 3.6 |
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 | SAFA ANTE WT | 1.8 | 19.9 | 16493 | 867 | 99.2 | 0.184 | 0.183 | 0.209 | RANDOM | 13.97 |
Temperature Factor Modeling | ||||||
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Anisotropic B[1][1] | Anisotropic B[1][2] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[2][3] | Anisotropic B[3][3] | |
0.26 | 0.13 | 0.26 | -0.4 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 36.925 |
r_dihedral_angle_3_deg | 11.07 |
r_dihedral_angle_4_deg | 9.882 |
r_dihedral_angle_1_deg | 5.741 |
r_scangle_it | 2.87 |
r_scbond_it | 1.767 |
r_angle_refined_deg | 1.166 |
r_mcangle_it | 1.081 |
r_mcbond_it | 0.598 |
r_symmetry_hbond_refined | 0.442 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1058 |
Nucleic Acid Atoms | |
Solvent Atoms | 119 |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
MOSFLM | data reduction |
SCALA | data scaling |