2EPK
N-acetyl-B-D-glucosaminidase (GCNA) from Streptococcus gordonii
Experimental procedure
Experimental method | MAD |
Source type | SYNCHROTRON |
Source details | APS BEAMLINE 23-ID-D |
Synchrotron site | APS |
Beamline | 23-ID-D |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2006-04-21 |
Detector | MARRESEARCH |
Wavelength(s) | 0.97928, 0.97945, 0.94929 |
Spacegroup name | I 2 2 2 |
Unit cell lengths | 123.895, 124.509, 148.536 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 39.970 - 1.850 |
R-factor | 0.21605 |
Rwork | 0.215 |
R-free | 0.23470 |
Structure solution method | MAD |
RMSD bond length | 0.010 |
RMSD bond angle | 1.224 |
Data reduction software | HKL-2000 |
Data scaling software | HKL-2000 |
Phasing software | SOLVE |
Refinement software | REFMAC (5.2.0005) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 39.970 | 1.900 |
High resolution limit [Å] | 1.850 | 1.850 |
Rmerge | 0.100 | 0.650 |
Number of reflections | 97524 | |
<I/σ(I)> | 13.4 | 3.24 |
Completeness [%] | 99.6 | 95.58 |
Redundancy | 7.4 | 6.7 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 7 | 293 | 100mM HEPES, 2M ammonium sulphate, 0.5 %(v/v) PEG400, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K |