1EC5
CRYSTAL STRUCTURE OF FOUR-HELIX BUNDLE MODEL
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | ELETTRA BEAMLINE 5.2R |
Synchrotron site | ELETTRA |
Beamline | 5.2R |
Temperature [K] | 100 |
Detector technology | IMAGE PLATE |
Collection date | 1999-02-09 |
Detector | MARRESEARCH |
Spacegroup name | C 2 2 21 |
Unit cell lengths | 36.070, 89.160, 79.890 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 15.000 - 2.500 |
Rwork | 0.237 |
R-free | 0.30400 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | THEORETICAL MODEL |
RMSD bond length | 0.009 |
RMSD bond angle | 0.036 |
Data reduction software | MOSFLM |
Data scaling software | CCP4 ((SCALA)) |
Phasing software | AMoRE |
Refinement software | REFMAC |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 17.400 | 2.640 |
High resolution limit [Å] | 2.500 | 2.500 |
Rmerge | 0.107 | 0.480 |
Total number of observations | 23396 * | |
Number of reflections | 4717 * | |
<I/σ(I)> | 11.7 | 2.7 |
Completeness [%] | 95.5 * | 96.7 |
Redundancy | 5.2 | 5.2 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 4.6 | 277 | CRYSTALS WERE GROWN FROM AN AMMONIUM SULFATE 2M SOLUTION, pH 4.6, VAPOR DIFFUSION, HANGING DROP |
Crystallization Reagents in Literatures
ID | crystal ID | solution | reagent name | concentration (unit) | details |
1 | 1 | reservoir | sodium acetate | 0.1 (M) | |
2 | 1 | reservoir | ammonium sulfate | 2.0 (M) |