4NAP
Crystal structure of a trap periplasmic solute binding protein from Desulfovibrio alaskensis G20 (DDE_0634), target EFI-510102, with bound d-tryptophan
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | APS BEAMLINE 31-ID |
Synchrotron site | APS |
Beamline | 31-ID |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2013-10-17 |
Detector | RAYONIX MX225HE |
Wavelength(s) | 0.9793 |
Spacegroup name | P 1 21 1 |
Unit cell lengths | 50.117, 144.571, 96.389 |
Unit cell angles | 90.00, 90.52, 90.00 |
Refinement procedure
Resolution | 31.426 - 2.300 |
R-factor | 0.1655 |
Rwork | 0.163 |
R-free | 0.21540 |
Structure solution method | SAD |
RMSD bond length | 0.014 |
RMSD bond angle | 1.379 |
Data reduction software | MOSFLM |
Data scaling software | SCALA (3.3.20) |
Phasing software | HKL-3000 |
Refinement software | PHENIX (1.8.1_1168) |
Data quality characteristics
Overall | Inner shell | Outer shell | |
Low resolution limit [Å] | 144.571 | 144.571 | 2.320 |
High resolution limit [Å] | 2.200 | 6.960 | 2.200 |
Rmerge | 0.082 | 0.030 | 0.585 |
Total number of observations | 10261 | 52660 | |
Number of reflections | 69245 | ||
<I/σ(I)> | 11.7 | 20 | 1.3 |
Completeness [%] | 99.6 | 92.9 | 100 |
Redundancy | 5.3 | 4.9 | 5.2 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 5.6 | 298 | Protein (50 mg/ml, 10 mM HEPES pH 7.5, 5 mM DTT, 10 mM D-TRYPTOPHAN); Reservoir (0.1 M Sodium Citrate, 20 %(v/v) iso-Propanol, 20 %(w/v) PEG 4000), VAPOR DIFFUSION, HANGING DROP, temperature 298K |