1TOK
Maleic acid-bound structure of SRHEPT mutant of E. coli aspartate aminotransferase
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | ALS BEAMLINE 8.3.1 |
Synchrotron site | ALS |
Beamline | 8.3.1 |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2003-12-15 |
Detector | ADSC QUANTUM 210 |
Wavelength(s) | 1.12 |
Spacegroup name | P 63 |
Unit cell lengths | 140.142, 140.142, 81.075 |
Unit cell angles | 90.00, 90.00, 120.00 |
Refinement procedure
Resolution | 30.000 - 1.850 |
R-factor | 0.1957 |
Rwork | 0.194 |
R-free | 0.22669 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 1asm |
RMSD bond length | 0.012 |
RMSD bond angle | 1.404 |
Data reduction software | HKL-2000 |
Data scaling software | SCALEPACK |
Phasing software | AMoRE |
Refinement software | REFMAC (5.2.0003) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 50.000 | 1.920 |
High resolution limit [Å] | 1.850 | 1.850 |
Number of reflections | 77194 | |
<I/σ(I)> | 30.5 | 3.3 |
Completeness [%] | 99.9 | 99.9 |
Redundancy | 5.3 | 4.1 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.5 | 294 | potassium phosphate, PLP, EDTA, DTT, PEG 400, N-methylmorpholine, ammonium sulfate, maleic acid, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 294K |