Antifreeze glycopeptides: from structure and activity studies to current approaches in chemical synthesis

Urbanczyk M, Gora J, Latajka R, Sewald N (2017)
AMINO ACIDS 49(2): 209-222.

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Zeitschriftenaufsatz | Veröffentlicht | Englisch
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Abstract / Bemerkung
Antifreeze glycopeptides (AFGPs) are a class of biological antifreeze agents found predominantly in Arctic and Antarctic species of fish. They possess the ability to regulate ice nucleation and ice crystal growth, thus creating viable life conditions at temperatures below the freezing point of body fluids. AFGPs usually consist of 4-55 repetitions of the tripeptide unit Ala-Ala-Thr that is O-glycosylated at the threonine side chains with beta-D-galactosyl-(1 -> 3)-alpha-N-acetyl-D-galactosamine. Due to their interesting properties and high antifreeze activity, they have many potential applications, e.g., in food industry and medicine. Current research is focused towards understanding the relationship between the structural preferences and the activity of the AFGPs, as well as developing time and cost efficient ways of synthesis of this class of molecules. Recent computational studies in conjunction with experimental results from NMR and THz spectroscopies were a possible breakthrough in understanding the mechanism of action of AFGPs. At the moment, as a result of these findings, the focus of research is shifted towards the analysis of behaviour of the hydration shell around AFGPs and the impact of water-dynamics retardation caused by AFGPs on ice crystal growth. In the field of organic synthesis of AFGP analogues, most of the novel protocols are centered around solid-phase peptide synthesis and multiple efforts are made to optimize this approach. In this review, we present the current state of knowledge regarding the structure and activity of AFGPs, as well as approaches to organic synthesis of these molecules with focus on the most recent developments.
Erscheinungsjahr
Zeitschriftentitel
AMINO ACIDS
Band
49
Zeitschriftennummer
2
Seite
209-222
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Urbanczyk M, Gora J, Latajka R, Sewald N. Antifreeze glycopeptides: from structure and activity studies to current approaches in chemical synthesis. AMINO ACIDS. 2017;49(2):209-222.
Urbanczyk, M., Gora, J., Latajka, R., & Sewald, N. (2017). Antifreeze glycopeptides: from structure and activity studies to current approaches in chemical synthesis. AMINO ACIDS, 49(2), 209-222. doi:10.1007/s00726-016-2368-z
Urbanczyk, M., Gora, J., Latajka, R., and Sewald, N. (2017). Antifreeze glycopeptides: from structure and activity studies to current approaches in chemical synthesis. AMINO ACIDS 49, 209-222.
Urbanczyk, M., et al., 2017. Antifreeze glycopeptides: from structure and activity studies to current approaches in chemical synthesis. AMINO ACIDS, 49(2), p 209-222.
M. Urbanczyk, et al., “Antifreeze glycopeptides: from structure and activity studies to current approaches in chemical synthesis”, AMINO ACIDS, vol. 49, 2017, pp. 209-222.
Urbanczyk, M., Gora, J., Latajka, R., Sewald, N.: Antifreeze glycopeptides: from structure and activity studies to current approaches in chemical synthesis. AMINO ACIDS. 49, 209-222 (2017).
Urbanczyk, Malgorzata, Gora, Jerzy, Latajka, Rafal, and Sewald, Norbert. “Antifreeze glycopeptides: from structure and activity studies to current approaches in chemical synthesis”. AMINO ACIDS 49.2 (2017): 209-222.

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