Members of this family possess translation elongation factor activity. They have been shown to stimulate efficient translation and peptide-bond synthesis on native or reconstituted 70S ribosomes in vitro, possibly indirectly by altering the affinity of the ribosome for aminoacyl-tRNA, thus increasing their reactivity as acceptors for peptidyl transferase (by similarity) [1]. This family does not include members of IPR011897, an EFP-like protein of certain gammaproteobacteria.

1. Molecular characterization of the prokaryotic efp gene product involved in a peptidyltransferase reaction. Biochimie 79, 7-11

Members of this family possess translation elongation factor activity. They have been shown to st
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