Structural and Conformational Studies of (Ile7) and (Leu7)Surfactins from Bacillus subtilis natto.

Structural and Conformational Studies of (Ile7) and (Leu7)Surfactins from Bacillus subtilis natto. Structural and Conformational Studies of (Ile7) and (Leu7)Surfactins from Bacillus subtilis natto. Lipopeptides with Improved Properties: Structure by NMR, Purification by HPLC and Structure–Activity Relationships of New Isoleucyl-rich Surfactins Complete assignments of ¹H and ¹³C NMR spectral data of nine surfactin isomers Satisfactory separation and MS-MS spectrometry of six surfactins isolated from Bacillus subtilis natto. New C14-surfactin methyl ester from the marine bacterium Bacillus pumilus KMM 456 Determination of Fatty Acid in Surfactin and Elucidation of the Total Structure of Surfactin Surfactin derivatives from Micromonospora sp. CPCC 202787 and their anti-HIV activities Two Distinct Conformers of the Cyclic Heptapeptide Phakellistatin 2 Isolated from the Fijian Marine Sponge <i>Stylotella </i><i>a</i><i>urantium</i> Studies on the biosynthesis of surfactin, a lipopeptide antibiotic from <i>Bacillus subtilis</i> ATCC 21332