Abstract
The crude enzyme (PH-1) isolated from Pseudostellaria heterophylla by our group has catalyzed enzymatic cyclization of linear peptide NH2-Gly1-Gly2-Leu-Pro-Pro-Pro-Ile-Phe-COOH (4) into cyclopeptide heterophyllin B (HB) from plant for the first time. To ensure this reaction, some analytical methods including TLC, HPLC, MS, NMR, and 3C labeling were used to prove that the reaction of substrate 4 sharing residue of NH-Phe-Gly-CO was successful.
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Jia, A., Li, X., Tan, N. et al. Enzymatic cyclization of linear peptide to plant cyclopeptide heterophyllin B. SCI CHINA SER B 49, 63–66 (2006). https://doi.org/10.1007/s11426-005-0204-5
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DOI: https://doi.org/10.1007/s11426-005-0204-5