6W3R
Crystal structure of ligand-binding domain of Campylobacter jejuni chemoreceptor Tlp3 in complex with 3-methylisoleucine
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 4XMR |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 298 | PEG 3350, sodium citrate and ammonium sulphate |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.48 | 50.33 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 42.26 | α = 90 |
b = 138.08 | β = 93.82 |
c = 48.83 | γ = 90 |
Symmetry | |
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Space Group | P 1 21 1 |
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 210r | 2018-02-08 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | AUSTRALIAN SYNCHROTRON BEAMLINE MX1 | 0.9537 | Australian Synchrotron | MX1 |
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 | 1.38 | 35.99 | 81.1 | 0.068 | 9.1 | 3.5 | 91649 |
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 | 1.38 | 1.46 | 0.342 | 2.6 |
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 | 4xmr | 1.38 | 35.99 | 86871 | 4553 | 80.6 | 0.1234 | 0.1205 | 0.1798 | RANDOM | 25.085 |
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] | |
2.21 | 1.31 | -2.34 | -0.04 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
r_sphericity_free | 42.335 |
r_dihedral_angle_2_deg | 33.627 |
r_sphericity_bonded | 17.434 |
r_dihedral_angle_3_deg | 12.227 |
r_dihedral_angle_4_deg | 10.919 |
r_dihedral_angle_1_deg | 6.509 |
r_rigid_bond_restr | 5.765 |
r_angle_refined_deg | 1.477 |
r_angle_other_deg | 0.979 |
r_chiral_restr | 0.1 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3920 |
Nucleic Acid Atoms | |
Solvent Atoms | 833 |
Heterogen Atoms | 36 |
Software
Software | |
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Software Name | Purpose |
REFMAC | refinement |
SCALA | data scaling |
PDB_EXTRACT | data extraction |
iMOSFLM | data reduction |
PHASER | phasing |