3AGW
Crystal Structure of the Cytoplasmic Domain of G-Protein-Gated Inward Rectifier Potassium Channel Kir3.2 in the absence of Na+
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | SPRING-8 BEAMLINE BL41XU |
Synchrotron site | SPring-8 |
Beamline | BL41XU |
Temperature [K] | 100 |
Wavelength(s) | 1.00000 |
Spacegroup name | I 4 2 2 |
Unit cell lengths | 81.943, 81.943, 172.769 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 29.730 - 2.200 |
R-factor | 0.19978 |
Rwork | 0.198 |
R-free | 0.23577 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 2e4f |
RMSD bond length | 0.012 |
RMSD bond angle | 1.270 |
Data reduction software | HKL-2000 |
Data scaling software | HKL-2000 |
Phasing software | MOLREP |
Refinement software | REFMAC (5.5.0072) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 29.730 | |
High resolution limit [Å] | 2.199 | 2.200 |
Rmerge | 0.063 | 0.063 |
Number of reflections | 15254 | |
<I/σ(I)> | 29 | 29 |
Completeness [%] | 99.4 | 99.4 |
Redundancy | 9.5 | 9.5 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, SITTING DROP | 8 | 277 | 7.5-12.5% EtOH, 0.1M Imidazole-HCl, 0.1M MgCl2, 0.003M spermine, pH 8.0, VAPOR DIFFUSION, SITTING DROP, temperature 277K |