An asparagine oxygenase (AsnO)
and a 3-hydroxyasparaginyl phosphotransferase (HasP) are involved
in the biosynthesis of calcium-dependent lipopeptide antibiotics,
by J. M. Neary, A. Powell, L. Gordon, C. Milne, F. Flett, B. Wilkinson,
C. P. Smith and J. Micklefield