5G03
An unusual natural product primary sulfonamide: synthesis, carbonic anhydrase inhibition and protein x-ray structure of Psammaplin C
Experimental procedure
Experimental method | SINGLE WAVELENGTH |
Source type | SYNCHROTRON |
Source details | AUSTRALIAN SYNCHROTRON BEAMLINE MX1 |
Synchrotron site | Australian Synchrotron |
Beamline | MX1 |
Temperature [K] | 100 |
Detector technology | CCD |
Collection date | 2015-11-17 |
Detector | ADSC CCD |
Spacegroup name | P 1 21 1 |
Unit cell lengths | 41.880, 41.280, 71.788 |
Unit cell angles | 90.00, 104.11, 90.00 |
Refinement procedure
Resolution | 69.620 - 1.350 |
R-factor | 0.12909 |
Rwork | 0.128 |
R-free | 0.16005 |
Structure solution method | MOLECULAR REPLACEMENT |
Starting model (for MR) | 5a6h |
RMSD bond length | 0.013 |
RMSD bond angle | 1.862 |
Data reduction software | XDS |
Data scaling software | Aimless |
Phasing software | PHASER |
Refinement software | REFMAC (5.8.0135) |
Data quality characteristics
Overall | Outer shell | |
Low resolution limit [Å] | 41.300 | 1.370 |
High resolution limit [Å] | 1.350 | 1.350 |
Rmerge | 0.070 | 0.780 |
Number of reflections | 50188 | |
<I/σ(I)> | 19.1 | 2.4 |
Completeness [%] | 95.7 | 90.5 |
Redundancy | 7.6 | 7.1 |
Crystallization Conditions
crystal ID | method | pH | temperature | details |
1 | VAPOR DIFFUSION, SITTING DROP | 8.5 | 150 NL PROTEIN AT 5.5 MG/ML PLUS 120 NL RESERVOIR AND 30 NL SEEDS IN SITTING DROP PLATES. RESERVOIR WAS 2.6 TO 2.8 M AMMONIUM SULFATE PLUS 100 MM TRIS PH 8.5 |