Surugamides A–E, Cyclic Octapeptides with Four d-Amino Acid Residues, from a Marine Streptomyces sp.: LC–MS-Aided Inspection of Partial Hydrolysates for the Distinction of d- and l-Amino Acid Residues in the Sequence

Surugamides A–E, Cyclic Octapeptides with Four <scp>d</scp>-Amino Acid Residues, from a Marine Streptomyces sp.: LC–MS-Aided Inspection of Partial Hydrolysates for the Distinction of <scp>d</scp>- and <scp>l</scp>-Amino Acid Residues in the Sequence Surugamides A–E, Cyclic Octapeptides with Four <scp>d</scp>-Amino Acid Residues, from a Marine Streptomyces sp.: LC–MS-Aided Inspection of Partial Hydrolysates for the Distinction of <scp>d</scp>- and <scp>l</scp>-Amino Acid Residues in the Sequence Ohmyungsamycins A and B: Cytotoxic and Antimicrobial Cyclic Peptides Produced by <i>Streptomyces</i> sp. from a Volcanic Island Longicatenamides A–D, Two Diastereomeric Pairs of Cyclic Hexapeptides Produced by Combined-culture of Streptomyces sp. KUSC_F05 and Tsukamurella pulmonis TP-B0596 Cyclodysidins A–D, cyclic lipopeptides from the marine sponge-derived Streptomyces strain RV15 Persipeptides A and B, two cyclic peptides from Streptomyces sp. UTMC 1154 Persipeptides A and B, two cyclic peptides from Streptomyces sp. UTMC 1154 A new cyclic tetrapeptide from an endophytic<i>Streptomyces</i>sp. YIM67005 Isolation and characterization of actinoramides A–C, highly modified peptides from a marine Streptomyces sp. Isolation of Ciliatamide D from a Marine Sponge Stelletta sp. and a Reinvestigation of the Configuration of Ciliatamide A