Summary.
New N-acyl D-amino acids were isolated from Bacillus pumilus IM 1801. Their structures were determined by chemical analysis and mass spectrometry. The lipid part was identified as a mixture of fatty acids with 11, 12, 13, 15, and 16 carbon atoms in the iso, anteiso or n configuration linked by an amide bond with a D-asparagine. They exhibited surfactant properties.
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Peypoux, F., Laprévote, O., Pagadoy, M. et al. N-Acyl derivatives of Asn, new bacterial N-acyl D-amino acids with surfactant activity. Amino Acids 26, 209–214 (2004). https://doi.org/10.1007/s00726-003-0056-2
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DOI: https://doi.org/10.1007/s00726-003-0056-2