4FI3
Structure of vitamin B12 transporter BtuCD-F in a nucleotide-bound state
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | SLS BEAMLINE X06SA |
Synchrotron site | SLS |
Beamline | X06SA |
Temperature [K] | 90 |
Detector technology | CCD |
Collection date | 2011-10-07 |
Detector | MARMOSAIC 225 mm CCD |
Wavelength(s) | 1 |
Spacegroup name | C 2 2 21 |
Unit cell lengths | 127.730, 211.990, 179.100 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 30.000 - 3.466 |
R-factor | 0.2323 |
Rwork | 0.229 |
R-free | 0.27380 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 2QI9 and 4DBL |
RMSD bond length | 0.006 |
RMSD bond angle | 1.039 |
Data reduction software | DENZO |
Data scaling software | SCALEPACK |
Phasing software | PHENIX (1.7.2_869) |
Refinement software | PHENIX ((phenix.refine: 1.7.2_869)) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 30.000 | 3.620 |
High resolution limit [Å] | 3.466 | 3.466 |
Number of reflections | 30839 | |
<I/σ(I)> | 12 | 1.4 |
Completeness [%] | 98.7 | 98.5 |
Redundancy | 7.1 | 6.9 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, SITTING DROP | 6.8 | 293 | 20-30% PEG400, 100 mM ADA pH6.8, 100 mM Na/K-citrate, VAPOR DIFFUSION, SITTING DROP, temperature 293K |