1XV8
Crystal Structure of Human Salivary Alpha-Amylase Dimer
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | ROTATING ANODE |
Source details | RIGAKU RU200 |
Temperature [K] | 100 |
Detector technology | IMAGE PLATE |
Detector | RIGAKU RAXIS IV |
Wavelength(s) | 1.5418 |
Spacegroup name | C 1 2 1 |
Unit cell lengths | 150.812, 72.270, 91.106 |
Unit cell angles | 90.00, 102.80, 90.00 |
Refinement procedure
Resolution | 20.000 - 3.000 |
Rwork | 0.228 |
R-free | 0.27100 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 1jxj |
RMSD bond length | 0.007 |
RMSD bond angle | 1.415 |
Data scaling software | SCALEPACK |
Phasing software | MOLREP |
Refinement software | CNS |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 20.000 | 3.110 |
High resolution limit [Å] | 3.000 | 3.000 |
Rmerge | 0.307 | |
Number of reflections | 18579 | |
Completeness [%] | 96.3 | 95.5 |
Redundancy | 4.1 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 6.5 | 0.2 M Ca acetate, 0.1 M Na cacodylate (pH 6.5), 18% PEG 8K, VAPOR DIFFUSION, HANGING DROP, temperature 100K |