[ ac-asn1 , val5 ] angiotensin ii analogues containing a c-terminal alcohol ( phe-ol ) , methyl ketone ( pmk ) , methyl ester ( phe-ome ) , or alpha-methyl methyl ester ( phe ( alpha me ) -ome ) were prepared in order to examine the relative importance of cooh-mediated ionic vs. hydrogen bonding interactions in angiotensin activities .
C0003009
angiotensin ii
C0003018
angiotensin