1ELX
E. COLI ALKALINE PHOSPHATASE MUTANT (S102A)
Experimental procedure
Source type | ROTATING ANODE |
Source details | RIGAKU RUH2R |
Temperature [K] | 292 |
Detector technology | AREA DETECTOR |
Collection date | 1996-07 |
Detector | XUONG-HAMLIN MULTIWIRE |
Spacegroup name | P 63 2 2 |
Unit cell lengths | 163.620, 163.620, 138.880 |
Unit cell angles | 90.00, 90.00, 120.00 |
Refinement procedure
Resolution | 9.000 - 2.600 |
R-factor | 0.158 |
Rwork | 0.158 |
R-free | 0.20700 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 1alk |
RMSD bond length | 0.017 |
RMSD bond angle | 25.600 * |
Data reduction software | SDMS |
Data scaling software | SDMS |
Phasing software | X-PLOR (3.1) |
Refinement software | X-PLOR (3.1) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 37.000 | 2.700 |
High resolution limit [Å] | 2.600 | 2.600 |
Rmerge | 0.102 | 0.401 |
Number of reflections | 32650 | |
<I/σ(I)> | 6.3 | 1.2 |
Completeness [%] | 95.5 | 88.5 |
Redundancy | 2.5 | 2.5 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | Vapor diffusion, hanging drop * | 9.5 * | 25 MG/ML PROTEIN IN 39% SATURATING (NH4)2SO4, 100 MM TRIS, 10 MM MGCL2 100 MM ZNCL2, 2 MM NAH2PO4 AT PH 7.5, EQUILIBRATED AGAINST 55% SATURATING (NH4)2SO4 |
Crystallization Reagents in Literatures
ID | crystal ID | solution | reagent name | concentration (unit) | details |
1 | 1 | drop | enzyme | 30 (mg/ml) | |
2 | 1 | drop | ammonium sulfate | 20 (%sat) | |
3 | 1 | drop | Tris-HCl | 100 (mM) | |
4 | 1 | drop | 10 (mM) | ||
5 | 1 | drop | 100 (mM) | ||
6 | 1 | reservoir | ammonium sulfate | 36-39 (%sat) |