This family catalyses the final step in the elongation factor P modification pathway. It hydroxylates Lys-34 of elongation factor P [1]. Members of this family have a conserved HEXXH motif, suggesting they are putative peptidases of zincin fold [2].

1: Lys34 of translation elongation factor EF-P is hydroxylated by YfcM. Peil L, Starosta AL, Virumae K, Atkinson GC, Tenson T, Remme J, Wilson DN; Nat Chem Biol. 2012;8:695-697. PMID:22706199

2: CLCAs - A Family of Metalloproteases of Intriguing Phylogenetic Distribution and with Cases of Substituted Catalytic Sites. Lenart A, Dudkiewicz M, Grynberg M, Pawlowski K; PLoS One. 2013;8:e62272. PMID:23671590