(Activation mechanism, engineering) Hu, S.; El Sahili, A.; Kishore, S.; Wong, Y. H.; Hemu, X.; Goh, B. C.; Sang, Z.; Wang, Z.; Tam, J. P.; Liu, C.-F.; et al. Structural basis for proenzyme maturation, substrate recognition, and ligation by a hyperactive peptide asparaginyl ligase. Plant Cell 2022, koac281. DOI: 10.1093/plcell/koac281