3GQP
Crystal structure determination of cat (Felis silvestris catus) hemoglobin at 2.0 angstrom resolution
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | ROTATING ANODE |
Source details | RIGAKU RU300 |
Temperature [K] | 100 |
Detector technology | IMAGE PLATE |
Collection date | 2008-02-29 |
Detector | MAR scanner 345 mm plate |
Wavelength(s) | 1.5417 |
Spacegroup name | P 1 21 1 |
Unit cell lengths | 55.507, 73.217, 70.380 |
Unit cell angles | 90.00, 103.38, 90.00 |
Refinement procedure
Resolution | 29.720 - 2.000 |
R-factor | 0.25317 |
Rwork | 0.248 |
R-free | 0.29806 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 3d4x |
RMSD bond length | 0.013 |
RMSD bond angle | 1.367 |
Data reduction software | AUTOMAR |
Data scaling software | SCALEPACK |
Phasing software | PHASER |
Refinement software | REFMAC (5.2.0019) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 30.000 | 2.070 |
High resolution limit [Å] | 2.000 | 2.000 |
Rmerge | 0.074 | 0.324 |
Number of reflections | 33292 | |
<I/σ(I)> | 5.1 | 1.2 |
Completeness [%] | 93.8 | 92.2 |
Redundancy | 2.5 | 2.55 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 7 | 293 | 50% PEG 3350, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K |