Figure 3

(a) ¹H-¹⁵N HSQC spectrum of MucR_57–142 acquired at 600 MHz and at 298 K; (b) superposition of MucR_57–142 and MucR^{L36L39I40A 1}H⁻¹⁵N HSQC spectra acquired at 600 MHz and at 298 K. The spectrum of MucR_57–142 is in red whereas that of MucR^L36L39I40A is in blue.