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. 2017 May 13;9(5):174. doi: 10.3390/polym9050174

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© 2017 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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The relationship between pH and degradation mechanisms at the active site of each enzyme; (1) chitosanase mechanisms: (a) inverting mechanism and (b) retaining mechanism of cleaving glycosylic bonds proposed by Thadathil, N. and Velappan, S.P (2014) [38]; (2) mechanism of the pepsin-like family of aspartic peptidases proposed by Andreeva N.S., Rumsh L.D. (2001) [62]. (3) Mechanism of α-amylase cleaving glycosidic bonds proposed by MacGregor, E.A., et al. (2001) [54]. See the Supplementary Materials (relationship between pH and degradation mechanisms at the active site of each enzyme) for more detailed explanations.

The relationship between pH and degradation mechanisms at the active site of each enzyme; (1) chitosanase mechanisms: (a) inverting mechanism and (b) retaining mechanism of cleaving glycosylic bonds proposed by Thadathil, N. and Velappan, S.P (2014) [38]; (2) mechanism of the pepsin-like family of aspartic peptidases proposed by Andreeva N.S., Rumsh L.D. (2001) [62]. (3) Mechanism of α-amylase cleaving glycosidic bonds proposed by MacGregor, E.A., et al. (2001) [54]. See the Supplementary Materials (relationship between pH and degradation mechanisms at the active site of each enzyme) for more detailed explanations.