Figure 1.

Characterization of purified peptide 1. Analytical HPLC profile (λ = 214 nm) and ESI mass spectra of the chemically synthesized calstabin (1–21) (average mass: 2334.7 Da, observed: 2337.00 ± 0.4 Da). These data were obtained with the purified synthetic peptide segment (135 mg, 23% yield for 0.25 mmol).