1JXJ
Role of mobile loop in the mechanism of human salivary amylase
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | ROTATING ANODE |
Source details | RIGAKU RU200 |
Temperature [K] | 200 |
Detector technology | IMAGE PLATE |
Collection date | 2001-03-21 |
Detector | RIGAKU RAXIS IV |
Wavelength(s) | 1.5418 |
Spacegroup name | P 21 21 21 |
Unit cell lengths | 52.295, 75.250, 135.018 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 65.940 - 1.990 |
R-factor | 0.16615 |
Rwork | 0.164 |
R-free | 0.19835 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 1smd |
RMSD bond length | 0.015 |
RMSD bond angle | 1.600 * |
Data scaling software | SCALEPACK |
Phasing software | AMoRE |
Refinement software | REFMAC (5.0) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 65.940 | 2.070 |
High resolution limit [Å] | 1.990 | 1.990 |
Rmerge | 0.062 | 0.281 * |
Number of reflections | 34452 | |
<I/σ(I)> | 16.2 | 3 |
Completeness [%] | 97.7 | 95 |
Redundancy | 3.8 * |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 9 | 298 | MPD, calcium chloride, pH 9.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K, temperature 298.0K |
Crystallization Reagents in Literatures
ID | crystal ID | solution | reagent name | concentration (unit) | details |
1 | 1 | drop | protein | 16 (mg/ml) | |
2 | 1 | drop | Tris-HCl | 10 (mM) | |
3 | 1 | drop | 5 (mM) | ||
4 | 1 | reservoir | MPD | 40 (%) |