Figure 6.

Concentration‐response curves to NPS in the absence and presence of [D‐Val⁵]NPS (1 μmol L⁻¹, A), [^tBu‐D‐Gly⁵]NPS (1 μmol L⁻¹, B), [D‐Pen‐S‐p(^tBuBzl)⁵]NPS (1 μmol L⁻¹, C), and SHA 68 (0.1 μmol L⁻¹, D). Data are the mean ± SEM of three experiments performed in duplicate