1PIQ
CRYSTAL STRUCTURE OF GCN4-PIQ, A TRIMERIC COILED COIL WITH BURIED POLAR RESIDUES
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | ROTATING ANODE |
Source details | RIGAKU RU300 |
Temperature [K] | 100 |
Detector technology | IMAGE PLATE |
Collection date | 1998-04-15 |
Detector | RIGAKU |
Spacegroup name | P 3 2 1 |
Unit cell lengths | 39.660, 39.660, 47.470 |
Unit cell angles | 90.00, 90.00, 120.00 |
Refinement procedure
Resolution | 20.000 - 1.800 |
R-factor | 0.211 |
Rwork | 0.211 |
R-free | 0.23600 |
Structure solution method | MOLECULAR REPLACEMENT |
RMSD bond length | 0.011 |
RMSD bond angle | 1.200 |
Data reduction software | DENZO |
Data scaling software | SCALEPACK |
Phasing software | AMoRE |
Refinement software | CNS (0.4) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 20.000 | 1.910 |
High resolution limit [Å] | 1.800 | 1.800 |
Rmerge | 0.036 | 0.295 |
Number of reflections | 4072 | |
<I/σ(I)> | 33 | 4.3 |
Completeness [%] | 95.3 | 92.4 |
Redundancy | 6.7 | 4.5 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | Vapor diffusion * | 4.5 | 20 * | PROTEIN WAS CRYSTALLIZED FROM: 75 MM NAAC PH4.5, 20 MM MGCL2 AND 23% MPD |
Crystallization Reagents in Literatures
ID | crystal ID | solution | reagent name | concentration (unit) | details |
1 | 1 | drop | protein | 10 (mg/ml) | |
2 | 1 | reservoir | sodium acetate | 75 (mM) | |
3 | 1 | reservoir | 20 (mM) | ||
4 | 1 | reservoir | MPD | 23 (%(w/v)) |