3JXB
Crystal structure of the P22 c2 repressor protein in complex with synthetic operator 9C
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | NSLS BEAMLINE X26C |
Synchrotron site | NSLS |
Beamline | X26C |
Temperature [K] | 110 |
Detector technology | CCD |
Collection date | 2007-08-13 |
Detector | ADSC QUANTUM 4 |
Wavelength(s) | 1.000 |
Spacegroup name | P 21 21 21 |
Unit cell lengths | 40.602, 54.319, 114.112 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 19.900 - 1.670 |
R-factor | 0.198 |
Rwork | 0.196 |
R-free | 0.22600 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 2r1j |
RMSD bond length | 0.010 |
RMSD bond angle | 1.621 |
Data reduction software | DENZO |
Data scaling software | SCALEPACK |
Phasing software | MOLREP |
Refinement software | REFMAC (5.2.0019) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 19.900 | 1.710 |
High resolution limit [Å] | 1.670 | 1.670 |
Rmerge | 0.659 | |
Number of reflections | 29254 | |
<I/σ(I)> | 47.1 | 2.12 |
Completeness [%] | 97.3 | 91.7 |
Redundancy | 5.8 | 4.7 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.8 | 277 | PEG 400, NaCl, Tris-HCl, MgCl2, LiCl, pH 7.8, VAPOR DIFFUSION, HANGING DROP, temperature 277K |
Crystallization Reagents
ID | crystal ID | solution ID | reagent name | concentration | details |
1 | 1 | 1 | PEG 400 | ||
10 | 1 | 2 | LiCl | ||
2 | 1 | 1 | NaCl | ||
3 | 1 | 1 | Tris-HCl | ||
4 | 1 | 1 | MgCl2 | ||
5 | 1 | 1 | LiCl | ||
6 | 1 | 2 | PEG 400 | ||
7 | 1 | 2 | NaCl | ||
8 | 1 | 2 | Tris-HCl | ||
9 | 1 | 2 | MgCl2 |