1MKO
A Fourth Quaternary Structure of Human Hemoglobin A at 2.18 A Resolution
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | ROTATING ANODE |
Source details | RIGAKU RU200 |
Temperature [K] | 100 |
Detector technology | IMAGE PLATE |
Collection date | 2001-02-21 |
Detector | RIGAKU RAXIS IIC |
Wavelength(s) | 1.5418 |
Spacegroup name | P 21 21 21 |
Unit cell lengths | 65.530, 154.570, 55.270 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 60.000 * - 2.180 |
R-factor | 0.2 |
Rwork | 0.200 |
R-free | 0.28200 * |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 2hhb |
RMSD bond length | 0.017 |
RMSD bond angle | 19.700 * |
Data reduction software | bioteX |
Data scaling software | bioteX |
Phasing software | AMoRE |
Refinement software | CNS (0.5) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 50.000 | 2.280 |
High resolution limit [Å] | 2.180 | 2.180 |
Rmerge | 0.065 | 0.228 |
Number of reflections | 27473 | 2344 * |
<I/σ(I)> | 13.2 | 3.3 |
Completeness [%] | 91.0 | 63.3 * |
Redundancy | 4.5 | 4.2 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | Batch method * | 6.5 * | 298 | Perutz, M.F., (1968) J.Crystal Growth, 2, 54. * |
Crystallization Reagents in Literatures
ID | crystal ID | solution | reagent name | concentration (unit) | details |
1 | 1 | 1 | 4 (M) | ||
2 | 1 | 1 | 2 (M) | ||
3 | 1 | 1 | 2 (M) |