3N15
Crystal stricture of E145Q chitinase in complex with NAG from Bacillus cereus NCTU2
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | NSRRC BEAMLINE BL13B1 |
Synchrotron site | NSRRC |
Beamline | BL13B1 |
Temperature [K] | 110 |
Detector technology | CCD |
Collection date | 2008-02-25 |
Detector | ADSC QUANTUM 315 |
Wavelength(s) | 1.0000 |
Spacegroup name | P 21 21 21 |
Unit cell lengths | 48.539, 76.186, 76.312 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 20.000 - 1.940 |
R-factor | 0.18181 |
Rwork | 0.180 |
R-free | 0.22241 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 3n12 |
Data reduction software | HKL-2000 |
Data scaling software | HKL-2000 |
Phasing software | MOLREP |
Refinement software | REFMAC (5.4.0067) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 30.000 | 2.010 |
High resolution limit [Å] | 1.940 | 1.940 |
Rmerge | 0.065 | 0.150 |
Number of reflections | 21375 | |
<I/σ(I)> | 20.2 | 11.3 |
Completeness [%] | 99.1 | 99.9 |
Redundancy | 4.8 | 5.3 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 6 | 291 | 50mM potassium phosphate monobasic, 20%(w/v) PEG 8000, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 291K |