Two analogues of [Nle28,31]-CCK26-33 containing an N-terminal acetyl or N-terminal hydroxysulfonyl moiety were prepared and characterized. Both analogues were equipotent to native CCK26-33 in four bioassays, demonstrating that N-terminal sulfation of CCK26-33 analogues is compatible with full biological activity.
Synthesis and biological evaluation of N alpha-hydroxysulfonyl-[Nle28,31]-CCK26-33.
SERRA, MARIANGELA;
1986-01-01
Abstract
Two analogues of [Nle28,31]-CCK26-33 containing an N-terminal acetyl or N-terminal hydroxysulfonyl moiety were prepared and characterized. Both analogues were equipotent to native CCK26-33 in four bioassays, demonstrating that N-terminal sulfation of CCK26-33 analogues is compatible with full biological activity.
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