2UUM
Crystal structure of C-phycocyanin from Phormidium, Lyngbya spp. (Marine) and Spirulina sp. (Fresh water) shows two different ways of energy transfer between two hexamers.
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | ROTATING ANODE |
Source details | RIGAKU RU200 |
Temperature [K] | 110 |
Detector technology | IMAGE PLATE |
Detector | RIGAKU IMAGE PLATE |
Spacegroup name | P 1 21 1 |
Unit cell lengths | 107.332, 115.639, 183.258 |
Unit cell angles | 90.00, 90.03, 90.00 |
Refinement procedure
Resolution | 182.570 - 3.000 |
R-factor | 0.203 |
Rwork | 0.201 |
R-free | 0.24200 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 1gh0 |
RMSD bond length | 0.020 |
RMSD bond angle | 2.378 |
Data reduction software | DENZO |
Data scaling software | SCALEPACK |
Phasing software | AMoRE |
Refinement software | REFMAC (5.2.0019) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 40.000 | 3.110 |
High resolution limit [Å] | 3.000 | 3.000 |
Rmerge | 0.090 | 0.020 |
Number of reflections | 86909 | |
<I/σ(I)> | 9.19 | 3.9 |
Completeness [%] | 96.6 | 93.8 |
Redundancy | 3 | 2.3 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | 6.5 | 0.01M SODIUM PHOSPHATE PH 6.5, 0.72 M SOD. FORMATE, AND 13.5% PEG 4K |