4TPG
Selectivity mechanism of a bacterial homologue of the human drug peptide transporters PepT1 and PepT2
Experimental procedure
Experimental method | MAD |
Source type | SYNCHROTRON |
Source details | DIAMOND BEAMLINE I02 |
Synchrotron site | Diamond |
Beamline | I02 |
Temperature [K] | 80 |
Detector technology | CCD |
Collection date | 2013-04-20 |
Detector | ADSC QUANTUM 1 |
Wavelength(s) | 0.9 |
Spacegroup name | P 21 21 21 |
Unit cell lengths | 82.890, 108.090, 206.830 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 4.010 - 3.910 |
R-factor | 0.2622 |
Rwork | 0.261 |
R-free | 0.29030 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 4lep |
RMSD bond length | 0.003 |
RMSD bond angle | 0.851 |
Refinement software | PHENIX ((phenix.refine: 1.8.2_1309)) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 4.010 | 4.010 |
High resolution limit [Å] | 3.910 | 3.910 |
Number of reflections | 31871 | |
<I/σ(I)> | 7.14 | 2.18 |
Completeness [%] | 90.6 | 39.3 |
Redundancy | 4.8 | 4.6 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, SITTING DROP | 4 | 297 | 0.1 M phosphate citrate, 36% PEG300, 0.12 M ZnCl2 |