1996
  1. Lister,S.A., Wetmore,D.R., Roche,R.S. and Codding,P.W.
    E144S Active-site mutant of the Bacillus cereus thermolysin-like neutral protease at 2.8 A resolution
    Acta Crystallogr D Biol Crystallogr52, 543-550. PubMed  Europe PubMed DOI  S