2NTI
Crystal structure of PCNA123 heterotrimer.
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | APS BEAMLINE 8-BM |
Synchrotron site | APS |
Beamline | 8-BM |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2005-10-26 |
Detector | ADSC QUANTUM 315 |
Wavelength(s) | 0.9791 |
Spacegroup name | P 21 21 2 |
Unit cell lengths | 148.140, 222.330, 80.230 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 30.000 - 2.500 |
R-factor | 0.2113 |
Rwork | 0.214 |
R-free | 0.25050 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | PCNA1 PCNA2 and PCNA3 from Sulfolobus solfataricus |
RMSD bond length | 0.009 |
RMSD bond angle | 1.155 |
Data reduction software | HKL-2000 |
Data scaling software | SCALEPACK |
Phasing software | PHASER |
Refinement software | CNS (1.1) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 30.000 | 2.590 |
High resolution limit [Å] | 2.500 | 2.500 |
Rmerge | 0.126 | 0.625 |
Number of reflections | 88416 | |
<I/σ(I)> | 11.739 | 1.8 |
Completeness [%] | 95.7 | 93.6 |
Redundancy | 4.1 | 4 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, SITTING DROP | 7.5 | 293 | 2.5 M NH4(SO4)2, 0.1 M Tris 7.5, 2% Peg400, 1.6% Glycerol, VAPOR DIFFUSION, SITTING DROP, temperature 293K |