2003
  1. Graham,S.C., Lee,M., Freeman,H.C. and Guss,J.M.
    An orthorhombic form of Escherichia coli aminopeptidase P at 2.4 A resolution
    Acta Crystallogr D Biol Crystallogr59, 897-902. PubMed  Europe PubMed DOI  S