2OMP
LYQLEN peptide derived from human insulin chain A, residues 13-18
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | ESRF BEAMLINE ID13 |
Synchrotron site | ESRF |
Beamline | ID13 |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2005-07-16 |
Detector | MAR CCD 165 mm |
Spacegroup name | P 1 21 1 |
Unit cell lengths | 9.666, 28.003, 17.346 |
Unit cell angles | 90.00, 96.24, 90.00 |
Refinement procedure
Resolution | 17.240 - 1.900 |
R-factor | 0.191 |
Rwork | 0.189 |
R-free | 0.22800 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | idealized beta strands polyalanine |
RMSD bond length | 0.008 |
RMSD bond angle | 1.357 |
Data reduction software | DENZO |
Data scaling software | SCALEPACK |
Phasing software | PHASER |
Refinement software | REFMAC |
Data quality characteristics
Overall | Inner shell | Outer shell | |
Low resolution limit [Å] | 90.000 | 90.000 | 1.940 |
High resolution limit [Å] | 1.800 | 3.080 | 1.800 |
Rmerge | 0.186 | 0.130 | 0.402 |
Number of reflections | 752 | ||
<I/σ(I)> | 4.8 | ||
Completeness [%] | 91.0 | 95.2 | 83.5 |
Redundancy | 2.1 | 2.3 | 1.9 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 2.5 | 310 | 20mM peptide in 100 mM NaCl and 50 mM phosphate, pH 2.5, VAPOR DIFFUSION, HANGING DROP, temperature 310K |