Determination of drug binding sites to proteins by electrospray ionisation mass spectrometry: the interaction of cisplatin with transferrin
Authors:
- 4 April 2002
- journal article
- research article
- Published by Wiley in Rapid Communications in Mass Spectrometry
- Vol. 16 (10) , 933-935
Abstract
Cisplatin, cis ‐[PtCl 2 (NH 3 ) 2 ], is known to bind to human serum transferrin, but the binding site remains a matter of some debate. Electrospray ionisation mass spectrometry has been used to characterise the interaction of cisplatin with transferrin. The studies indicate that cisplatin initially docks with, and subsequently bonds covalently to, the hydroxyl functional group of threonine 457, with the loss of HCl affording a transferrin‐O‐PtCl(NH 3 ) 2 adduct. Copyright © 2002 John Wiley & Sons, Ltd.Keywords
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