NOSIHEPTIDE IS A HETROCYCLIC THIOPEPTIDE, CONSISTING OF FIVE THIAZOLES AND ONE 3-HYDROXYPYRIDINE RINGS. A MODIFIED
INDOLE RING NO1(14) IS LINKED VIA THE SIDE CHAINS OF 3-HYDROXY 3GL(6) AND CYS(8). THE OBSERVED C-TERMINAL AMINO GROUP
NH2(13) IS LIKELY TO BE A POST-TRANSLATIONAL DECARBOXYLATED REMNANT OF A SER C-TERMINAL RESIDUE