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. 2023 Jan 5;24(2):1035. doi: 10.3390/ijms24021035

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© 2023 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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Bacterial two-hybrid screening for PssA interactions with other glycosyltransferases and components of the polymerization and export system of exopolysaccharide in R. leguminosarum bv. trifolii. The surface diagram includes only those protein-protein pairs tested, where activities twice as high as the values for the negative controls were observed at least in one of eight possible combinations of fusion proteins. β-galactosidase activities of negative controls [pUT18(pUT18C) × pKT25(pKNT25)] ranged from 90.7 ± 4.9 to 98.9 ± 2.1. Ranges of activity values in the graph refer to Miller units. Activity values ± SD for all the tested fusion proteins pairs were given in a Supplementary Figure S3.