Fig. 2.

Superposition of 2D ¹H-¹⁵N HSQC NMR spectra of ¹⁵N-enriched MIA in the absence (black) and presence of increasing amounts of the Arg-rich peptide FRWRRRRR (red to orange). Resonances originating from MIA that experience chemical shift perturbations upon peptide binding are labeled and projected onto the MIA surface in violet (lower right).