Strategies for labeling proteins with PARACEST agents

…, A Marconescu, A Castillo-Muzquiz, P Thorpe…

Index: Vasalatiy, Olga; Zhao, Piyu; Woods, Mark; Marconescu, Andrei; Castillo-Muzquiz, Aminta; Thorpe, Philip; Kiefer, Garry E.; Dean Sherry Bioorganic and Medicinal Chemistry, 2011 , vol. 19, # 3 p. 1106 - 1114

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Citation Number: 5

Abstract

Reactive surface lysine groups on the monoclonal antibody (3G4) and on human serum albumin (HSA) were labeled with two different PARACEST chelates. Between 7.4 and 10.1 chelates were added per 3G4 molecule and between 5.6 and 5.9 chelates per molecule of HSA, depending upon which conjugation chemistry was used. The immunoreactivity of 3G4 as measured by ELISA assays was highly dependent upon the number of attached ...