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. 2022 Dec 29;24(1):579. doi: 10.3390/ijms24010579

Figure 2.

Figure 2

Gut mRNA expression levels of T. castaneum (light grey columns) and T. molitor (dark grey columns) active PSPs. * This calculation involved only active PSPs: POP, DPP 4, DPP 8, PRCP, APP1, APP2, APP3, and XPD. DPP 10 was not included because it is an inactive DPP 4 homolog and does not possess peptidase activity. LAP and CND were not included because cleavage of post-proline bonds is not their main specificity.