Pim is the immunity protein produced by Yersinia pestis and other Gammaproteobacteria to protect themselves against the bacteriostatic activity of the toxin pesticin, Pfam:PF16754.

1: Structural and mechanistic studies of pesticin, a bacterial homolog of phage lysozymes. Patzer SI, Albrecht R, Braun V, Zeth K; J Biol Chem. 2012;287:23381-23396. PMID:22593569