3DQ7
Structure of the Yellow Fluorescent Protein Citrine Frozen at 1920 Atmospheres Number 1: Structure 17 in a Series of 26 High Pressure Structures
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | CHESS BEAMLINE F2 |
Synchrotron site | CHESS |
Beamline | F2 |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2005-05-16 |
Detector | ADSC QUANTUM 210 |
Wavelength(s) | 0.9795 |
Spacegroup name | P 21 21 21 |
Unit cell lengths | 51.447, 63.223, 66.653 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 20.000 - 1.230 |
R-factor | 0.21235 |
Rwork | 0.210 |
R-free | 0.24973 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 1HUY WITH RESIDUE 80 MUTATED TO GLUTAMINE |
RMSD bond length | 0.033 |
RMSD bond angle | 2.722 |
Data reduction software | MOSFLM |
Data scaling software | SCALA (3.2.25) |
Phasing software | MOLREP |
Refinement software | REFMAC |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 34.240 | |
High resolution limit [Å] | 1.230 | 1.230 |
Rmerge | 0.090 | 0.236 |
Number of reflections | 48183 | |
<I/σ(I)> | 4 | 3.1 |
Completeness [%] | 75.5 | 100 |
Redundancy | 7.5 | 7.3 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 5 | 277 | Crystals grown by seeding using a Seed Bead (HR2-320, Hampton Research) in 5% PEG 3350, 50 mM Na Acetate, 50 mM NH4 Acetate, pH 5.0. Crystals were grown at 4 deg C and at ambient pressure, VAPOR DIFFUSION, HANGING DROP, temperature 277K |