2003
  1. Chen,Y.S., Christensen,J.E., Broadbent,J.R. and Steele,J.L.
    Identification and characterization of Lactobacillus helveticus PepO2, an endopeptidase with post-proline specificity
    Appl Environ Microbiol69, 1276-1282. PubMed  Europe PubMed DOI