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. 2021 Jul 14;12:708480. doi: 10.3389/fmicb.2021.708480

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Copyright © 2021 Ding, Zhao, Ban, Li, Venkataram Prasad, Gu and Li.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Sequence and three-dimensional structure analysis of SdG5A. (A) Phylogenetic tree of the amino acid sequences of SdG5A. The tree was constructed using the neighbor-joining algorithm of the MEGA program (version 5.0). Bootstrap values (n = 1,000 replicates) are reported as percentages. The scale bar represents the number of changes per amino acid position. (B) Analysis of the conserved domains identified by Conserved Domain Database (Marchler-Bauer et al., 2017). (C) Conserved regions I–IV of α-amylases. Amino acid residues corresponding to catalysis are highlighted in green. (D) Template-based predicted structure model of SdG5A.