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. 2022 Jun 17;13:926099. doi: 10.3389/fmicb.2022.926099

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Copyright © 2022 Li, Li, Guo, Wen, Meng and Wu.

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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Comparisons of substrate binding properties of EcPsuK with TgAK and Gsk. (A) The overall structure of EcPsuK in complex with Ψ. (B) Structure superposition of EcPsuK-Ψ with TgAK-DMA complex (PDB code: 2A9Y). The latter complex structure is colored in pink. (C) Structure superposition of EcPsuK-Ψ with Gsk-guanosine complex (PDB code: 6VWP). The latter complex structure is colored in white. (D) Detailed interactions between PusK with Ψ. (E) Detailed interactions between TgAK with DMA (N⁶, N⁶-dimethyladenosine). (F) Detailed interactions between Gsk with guanosine.