Conclusions
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1.
Polypeptides containing the -ala-gly- sequence were synthesized by the polymerization of the p-nitrophenyl and 2,4,6-trichlorophenyl esters of ala-gly and gly-ala. The obtained polypeptides have aβ-structure, which is related to the structure of silk fibroin.
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2.
The polypeptide obtained using the 2,4,6-trichlorophenyl esters has the best properties.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 11, pp. 2566–2570, November, 1970.
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Shibnev, V.A., Chuvaeva, T.P., Khalikov, S.K. et al. Use of activated esters in the synthesis of models related to the structure of silk fibroin. Russ Chem Bull 19, 2409–2413 (1970). https://doi.org/10.1007/BF00859086
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DOI: https://doi.org/10.1007/BF00859086