| Literature DB >> 10509931 |
A W Lipkowski1, A Misicka, P Davis, D Stropova, J Janders, M Lachwa, F Porreca, H I Yamamura, V J Hruby.
Abstract
The synthesis and biological activity of two fragments of the very potent opioid peptide biphalin, showed that Tyr-D-Ala-Gly-Phe-NH-NH<-Phe is the minimal fragment necessary to express equal affinities and the same biological activity profile as the parent biphalin. The replacement of N'-Phe with other L- or D- lipophilic amino acids showed the possibility of modification of receptor efficacy of the analogues.Entities:
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Year: 1999 PMID: 10509931 DOI: 10.1016/s0960-894x(99)00464-3
Source DB: PubMed Journal: Bioorg Med Chem Lett ISSN: 0960-894X Impact factor: 2.823