1AP9
X-RAY STRUCTURE OF BACTERIORHODOPSIN FROM MICROCRYSTALS GROWN IN LIPIDIC CUBIC PHASES
Experimental procedure
Source type | SYNCHROTRON |
Source details | ESRF BEAMLINE ID13 |
Synchrotron site | ESRF |
Beamline | ID13 |
Temperature [K] | 100 |
Detector technology | IMAGE PLATE |
Collection date | 1996-08 |
Detector | MARRESEARCH |
Spacegroup name | P 63 |
Unit cell lengths | 61.760, 61.760, 104.160 |
Unit cell angles | 90.00, 90.00, 120.00 |
Refinement procedure
Resolution | 5.000 - 2.350 |
R-factor | 0.2582 |
Rwork | 0.258 |
R-free | 0.31790 * |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 2brd |
RMSD bond length | 0.008 |
RMSD bond angle | 20.823 * |
Data reduction software | DENZO |
Data scaling software | CCP4 |
Phasing software | X-PLOR (3.8) |
Refinement software | X-PLOR (3.8) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 10.000 | 2.560 |
High resolution limit [Å] | 2.350 | 2.350 |
Rmerge | 0.100 * | |
Number of reflections | 8045 | |
<I/σ(I)> | 4.7 | 2.4 |
Completeness [%] | 91.2 | 90.4 |
Redundancy | 2 | 1.6 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | unknown * | 5.6 | 20 * | Landau, E.M., (1996) Proc.Natl.Acad.Sci.USA., 93, 14532. * |
Crystallization Reagents in Literatures
ID | crystal ID | solution | reagent name | concentration (unit) | details |
1 | 1 | 1 | sodium potassium Pi | 3.3 (M) | |
2 | 1 | 1 | protein | 3.5 (mg/ml) | |
3 | 1 | 1 | methylpentandiol | 0.05 (%) | |
4 | 1 | 1 | beta-octylglycopyranoside | 1.2 (%) |