1OC6
structure native of the D405N mutant of the CELLOBIOHYDROLASE CEL6A FROM HUMICOLA INSOLENS at 1.5 angstrom resolution
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | EMBL/DESY, HAMBURG BEAMLINE BW7B |
Synchrotron site | EMBL/DESY, HAMBURG |
Beamline | BW7B |
Temperature [K] | 100 |
Detector technology | IMAGE PLATE |
Collection date | 1999-10-15 |
Detector | MARRESEARCH |
Spacegroup name | P 21 21 21 |
Unit cell lengths | 57.504, 60.148, 97.207 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 20.000 - 1.500 |
R-factor | 0.115 |
Rwork | 0.113 |
R-free | 0.14900 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 1oc5 |
RMSD bond length | 0.015 |
RMSD bond angle | 1.700 * |
Data reduction software | DENZO |
Data scaling software | SCALEPACK |
Refinement software | REFMAC (5.1.06) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 20.000 | 1.550 |
High resolution limit [Å] | 1.500 | 1.500 |
Rmerge | 0.070 | 0.358 |
Number of reflections | 54127 | |
<I/σ(I)> | 17.2 | 3.4 |
Completeness [%] | 99.5 | 95 |
Redundancy | 3.7 | 3.5 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | Vapor diffusion, hanging drop * | 7 | PROTEIN WAS CONCENTRATED TO 20 MG/ML IN WATER. CRYSTALLISATION IN 200MM CALCIUM ACETATE IN 100MM HEPES BUFFER AT PH 7.0. PRECIPITANT WAS 18% POLYETHYLENE GLYCOL 8000. |
Crystallization Reagents in Literatures
ID | crystal ID | solution | reagent name | concentration (unit) | details |
1 | 1 | reservoir | HEPES | 100 (mM) | pH7.0 |
2 | 1 | reservoir | calcium acetate | 200 (mM) | |
3 | 1 | reservoir | PEG8000 | 18 (%) |