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. 2021 Sep 21;26(18):5716. doi: 10.3390/molecules26185716

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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 (https://creativecommons.org/licenses/by/4.0/).

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Potential ligand-binding pockets of CpAcp SH3b1/2/3/10. (A) Three pockets were identified for respective structure models of SH3b1/2/3/10 and are shown with mesh. The pockets are numbered according to those of SH3b6 and respectively colored with green, magenta, and orange. (B) Sequence alignment of SH3b1/2/3/6/10 with the residues involved in forming individual pockets colored in the same manner in (A). Secondary structural elements of SH3b6 are indicated above the amino acid sequence. Conserved pocket residues among the five SH3bs are marked with asterisks.