treatment of the protected [ glu ( dha-nhet ) 4 , asp ( dha-nhet ) 5 ] -oxytocin-dha-resin with 1 n hcl in glacial acetic acid in the presence of 3 equiv . water removed the peptide from the support with the simultaneous formation of the asparagine and glutamine residues to give the protected nonapeptide amide : cbz-cys ( bzl ) -tyr ( bzl ) -ile-gln-asn-cys ( bzl ) -pro-leu-gly-nh2 , which was deprotected with sodium in liquid ammonia and then oxidized with diiodoethane to give oxytocin .
C0061472
glu
C0017797
glutamine