4L2M
Crystal structure of the 2/2 hemoglobin from Synechococcus sp. PCC 7002 in the cyanomet state and with covalently attached heme
Experimental procedure
| Experimental method | SINGLE WAVELENGTH |
| Source type | SYNCHROTRON |
| Source details | NSLS BEAMLINE X25 |
| Synchrotron site | NSLS |
| Beamline | X25 |
| Temperature [K] | 100 |
| Detector technology | PIXEL |
| Collection date | 2013-04-08 |
| Detector | DECTRIS PILATUS 6M |
| Wavelength(s) | 0.979 |
| Spacegroup name | P 1 21 1 |
| Unit cell lengths | 50.622, 40.951, 66.461 |
| Unit cell angles | 90.00, 111.21, 90.00 |
Refinement procedure
| Resolution | 34.190 - 2.250 |
| R-factor | 0.2214 |
| Rwork | 0.218 |
| R-free | 0.28810 |
| Structure solution method | MOLECULAR REPLACEMENT |
| Starting model (for MR) | 1s69 |
| RMSD bond length | 0.013 |
| RMSD bond angle | 1.700 |
| Data reduction software | HKL-2000 |
| Data scaling software | SCALEPACK |
| Phasing software | PHASER |
| Refinement software | REFMAC |
Data quality characteristics
| Overall | Inner shell | Outer shell | |
| Low resolution limit [Å] | 50.000 | 50.000 | 2.310 |
| High resolution limit [Å] | 2.250 | 5.420 | 2.250 |
| Rmerge | 0.108 | 0.087 | 0.456 |
| Number of reflections | 12396 | ||
| <I/σ(I)> | 9 | 3.89 | |
| Completeness [%] | 99.9 | 99.8 | 100 |
| Redundancy | 6 | 5.9 | 5.1 |
Crystallization Conditions
| crystal ID | method | pH | temperature | details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 5 | 277 | 1% v/v isopropanol, 2 M ammonium sulfate, pH 5, VAPOR DIFFUSION, HANGING DROP, temperature 277K |
