4D2C
Structure of a di peptide bound POT family peptide transporter
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 4APS | PDB ENTRY 4APS |
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | LIPIDIC CUBIC PHASE | 7 | 16-23 %(V/V) PEG 400, 0.1 M HEPES PH 7.0, 0.15-0.55 M NH4H2PO4 AND 10 MM ALA-PHE. CRYSTALS WERE GROWN BY THE LCP METHOD USING 7.8 MAG AS HOSTING LIPID. |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.9 | 57.66 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 102.06 | α = 90 |
b = 110.33 | β = 90 |
c = 110.74 | γ = 90 |
Symmetry | |
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Space Group | C 2 2 21 |
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 | MIRRORS | 2013-05-18 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | DIAMOND BEAMLINE I24 | Diamond | I24 |
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 | 2.47 | 51.03 | 97.9 | 0.07 | 10.9 | 4.1 | 22160 | -3 | 46.97 |
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 | 2.47 | 2.53 | 99.4 | 0.64 | 2 | 4.2 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Starting model | 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 | PDB ENTRY 4APS | 2.47 | 51.03 | 1.35 | 22135 | 1159 | 97.19 | 0.2246 | 0.2222 | 0.2658 | 40.375 |
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 | 15.313 |
f_angle_d | 0.757 |
f_chiral_restr | 0.052 |
f_plane_restr | 0.004 |
f_bond_d | 0.003 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3338 |
Nucleic Acid Atoms | |
Solvent Atoms | 38 |
Heterogen Atoms | 137 |
Software
Software | |
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Software Name | Purpose |
PHENIX | refinement |
XDS | data reduction |
Aimless | data scaling |
PHASER | phasing |