PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 7449744-3 1981 [Asu1,7]E-CT analog, synthesized by replacing the S-S bond of Cys1-Cys7 in the natural hormone with ethylene linkage of 1-amino suberic acid (Asu), and E-CT fragment 11-32 had about 1/5th and 1/50th the potencies of synthetic E-CT, respectively, in both adenylate cyclase activation and competitive inhibition of 125I-labeled [Asu1,7]iodo-E-CT binding on rat renal plasma membranes. CYS7 67-71 cystin 1 Rattus norvegicus 62-66