1NQE
OUTER MEMBRANE COBALAMIN TRANSPORTER (BTUB) FROM E. COLI
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | CHESS BEAMLINE F1 |
Synchrotron site | CHESS |
Beamline | F1 |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2000-08-26 |
Detector | ADSC QUANTUM 4 |
Wavelength(s) | 0.900 |
Spacegroup name | P 31 2 1 |
Unit cell lengths | 81.590, 81.590, 210.078 |
Unit cell angles | 90.00, 90.00, 120.00 |
Refinement procedure
Resolution | 25.000 * - 2.000 |
R-factor | 0.19618 |
Rwork | 0.194 |
R-free | 0.23200 * |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 1nqf |
RMSD bond length | 0.021 * |
RMSD bond angle | 1.950 * |
Data reduction software | DENZO |
Data scaling software | SCALEPACK |
Phasing software | AMoRE |
Refinement software | REFMAC (5.1.24) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 25.000 | 2.070 |
High resolution limit [Å] | 2.000 | 2.000 |
Rmerge | 0.065 * | 0.412 * |
Number of reflections | 55620 * | |
<I/σ(I)> | 31.5 | 1.69 |
Completeness [%] | 99.6 * | 97.8 |
Redundancy | 8.9 * | 5.9 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, SITTING DROP | 6.6 | 293 | Chimento, D.P., (2003) Acta Crystallogr., Sect.D, 59, 509. * |
Crystallization Reagents in Literatures
ID | crystal ID | solution | reagent name | concentration (unit) | details |
1 | 1 | drop | protein | 12 (mg/ml) | |
2 | 1 | reservoir | magnesium acetate | 200-400 (mM) | |
3 | 1 | reservoir | PEG3350 | 4-7 (%) | |
4 | 1 | reservoir | cacodylate | 50 (mM) | pH6.6 |
5 | 1 | reservoir | 20 (mM) |