1X8I
Crystal Structure of the Zinc Carbapenemase CphA in Complex with the Antibiotic Biapenem
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | ROTATING ANODE |
Temperature [K] | 100 |
Detector technology | IMAGE PLATE |
Collection date | 2003-10-18 |
Detector | MARRESEARCH |
Spacegroup name | C 2 2 21 |
Unit cell lengths | 42.836, 101.513, 117.364 |
Unit cell angles | 90.00, 90.00, 90.00 |
Refinement procedure
Resolution | 26.500 - 1.900 |
R-factor | 0.15311 |
Rwork | 0.151 |
R-free | 0.18308 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | CphA (N220G) mutant |
RMSD bond length | 0.017 |
RMSD bond angle | 1.748 |
Data reduction software | MOSFLM |
Data scaling software | SCALA |
Phasing software | CCP4 |
Refinement software | REFMAC (5.1.24) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 26.500 | 1.960 |
High resolution limit [Å] | 1.900 | 1.900 |
Rmerge | 0.120 | 0.290 |
Number of reflections | 20636 | |
<I/σ(I)> | 3.7 | 2.1 |
Completeness [%] | 93.1 | 99.9 |
Redundancy | 5.9 | 5.2 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, HANGING DROP | 6.5 | 280 | PEG, AS, pH 6.50, VAPOR DIFFUSION, HANGING DROP, temperature 280K |