2RGQ
Crystal structure of a protein of unknown function with a cystatin-like fold (npun_r3134) from nostoc punctiforme pcc 73102 at 1.80 A resolution
Experimental procedure
Experimental method | MAD |
Source type | SYNCHROTRON |
Source details | ALS BEAMLINE 8.2.1 |
Synchrotron site | ALS |
Beamline | 8.2.1 |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2007-09-15 |
Detector | ADSC QUANTUM 315 |
Wavelength(s) | 1.0000, 0.9796 |
Spacegroup name | P 21 21 2 |
Unit cell lengths | 92.487, 93.768, 53.069 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 29.285 - 1.800 |
R-factor | 0.164 |
Rwork | 0.163 |
R-free | 0.19600 |
Structure solution method | MAD |
RMSD bond length | 0.017 |
RMSD bond angle | 1.739 |
Data reduction software | MOSFLM |
Data scaling software | SCALA |
Phasing software | SHELX |
Refinement software | REFMAC (5.3.0040) |
Data quality characteristics
Overall | Inner shell | Outer shell | |
Low resolution limit [Å] | 29.285 | 29.285 | 1.850 |
High resolution limit [Å] | 1.800 | 8.050 | 1.800 |
Rmerge | 0.104 | 0.037 | 0.571 |
Total number of observations | 1763 | 10755 | |
Number of reflections | 43329 | ||
<I/σ(I)> | 4.9 | 15.2 | 1.3 |
Completeness [%] | 99.6 | 95.4 | 99.1 |
Redundancy | 3.5 | 3.3 | 3.4 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, SITTING DROP | 277 | NANODROP, 0.05M KH2PO4, 20.0% PEG 8000, VAPOR DIFFUSION, SITTING DROP, temperature 277K |