8FQ9
Crystal structure of a ligand-bound cation-site mutant D55C of a melibiose transporter
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 7L16 |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 6.5 | 296.15 | MES, 100 mM, PH 6.5 NaCl, 100 mM CaCl, 50 mM PEG400, 32% |
Crystal Properties | |
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Matthews coefficient | Solvent content |
4.61 | 73.33 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 127.225 | α = 90 |
b = 127.225 | β = 90 |
c = 104.042 | γ = 120 |
Symmetry | |
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Space Group | P 31 2 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 | PIXEL | DECTRIS PILATUS 6M | 2018-05-27 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | ALS BEAMLINE 5.0.1 | 0.97741 | ALS | 5.0.1 |
Data Collection
Overall | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | 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 | 3 | 25 | 99.8 | 0.119 | 0.125 | 0.048 | 1 | 16.8 | 13.3 | 19790 | 2 |
Highest Resolution Shell | |||||||||||||||||||
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ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Rrim I (All) | Rpim I (All) | CC (Half) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||
1 | 3.18 | 3.4 | 100 | 1.705 | 1.791 | 0.398 | 0.728 | 2.2 | 20.1 |
Refinement
Statistics | |||||||||||||||||||
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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 | Mean Isotropic B | |||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | FREE R-VALUE | 3 | 24.56 | 1.33 | 19790 | 1960 | 99.91 | 0.2655 | 0.263 | 0.2883 | 114.73 |
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] | |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
f_dihedral_angle_d | 5.4981 |
f_angle_d | 0.557 |
f_chiral_restr | 0.0365 |
f_plane_restr | 0.003 |
f_bond_d | 0.0023 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3575 |
Nucleic Acid Atoms | |
Solvent Atoms | |
Heterogen Atoms | 41 |
Software
Software | |
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Software Name | Purpose |
PHENIX | refinement |
PHENIX | refinement |
XDS | data reduction |
XDS | data scaling |
PHASER | phasing |