a type of peptide or chemical compound that consists of a chain of eight amino acids
the first stage in the conversion of the protein, angiotensinogen, to the octapeptide,antiotensin II
Examples of 'octapeptide' in a sentence
octapeptide
The generated octapeptide retains antibiotic activity, yet with distinct characteristics differing from the full-length peptide.
Judith Wendler, Bjoern O. Schroeder, Dirk Ehmann, Louis Koeninger, Daniela Mailänder-Sánchez,Christina Lemberg, Stephanie Wanner, Martin Schaller, Eduard F. Stange, Nisar P. Malek,Christopher Weidenmaier, Salomé LeibundGut-Landmann, Jan Wehkamp 2019, 'Proteolytic Degradation of reduced Human Beta Defensin 1 generates a Novel AntibioticOctapeptide', Scientific Reportshttp://link.springer.com/article/10.1038/s41598-019-40216-2. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
In the present study, we constructed a nearly random octapeptide yeast two-hybrid library.
Yi Mu, Pengfei Cai, Siqi Hu, Sucan Ma, Youhe Gao 2014, 'Characterization of Diverse Internal Binding Specificities of PDZ Domains by YeastTwo-Hybrid Screening of a Special Peptide Library', PLoS ONE10.1371/journal.pone.0088286. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The isolates produced several oligopeptidic secondary metabolites, including the new octapeptide champacyclin (1a) present in all three strains.
Alexander Pesic, Heike I. Baumann, Katrin Kleinschmidt, Paul Ensle, Jutta Wiese, RoderichD. Süssmuth, Johannes F. Imhoff 2013, 'Champacyclin, a New Cyclic Octapeptide from Streptomyces Strain C42 Isolated fromthe Baltic Sea', Marine Drugshttp://www.mdpi.com/1660-3397/11/12/4834. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)