Figure 2.

RP-HPLC profile of (a) crude and (b) purified peptide (9). RP-HPLC conditions: buffer A, TEAP pH 2.30; buffer B, 60% CH3CN/40% A; gradient elution from 20 to 50% buffer B in 30 min at a flow rate of 0.2 mL/min on a Vydac C18 column (0.21 cm × 15 cm, 5 μm particle size, 300 Å pore size). UV detection, 0.1 AUFS at 210 nm.