X-RAY DIFFRACTION |
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277.15 |
XChem 0.045uls compound (0.5M) in DMSO echo dispensed into crystal drop
Drop = 0.3uls protein + 0.3us well +0.001uls seeds.
Protein = 25uls 30mgs/ml human PIF1 (206-620) in 10mM Tris pH 7.5, 175mM NaCl, 2%glycerol, 5mM DTT, 0.1mM PMSF + 21uls 10mM Tris, 2.7uls 0.2M MgCl2, 5uls 100mM AMPPNP + 27uls H2O.
Well = 4% Glycerol, 27% PEG 2KMME, 0.1M NaAcetate, 0.1M Tris pH8.5.
Set up on douglas instruments robot - tray on ice - set-up room temperature - crystallised 4 degrees C. |