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. 2021 Feb 9;13(2):127. doi: 10.3390/toxins13020127

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© 2021 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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Multiple sequence alignment of the major phospholipase A₂ (PLA₂, Lh_PLA01) of Hydrophis curtus (Penang) and related sequences. The PLA₂ shared highly conserved cysteine residues and seven disulfide bridges. Blue lines: conservative disulfide bonds; black lines: additional disulfide bond for Group IA PLA₂.