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Assigned HSQC of NTAIL(443-501) recorded at 25°C on an 800-MHz spectrometer. Positive contour levels are presented in black and negative contour levels in gray. Backbone amide resonances are indicated in boldface and side-chain NɛHɛ (R, W, and Q) and NδHδ (N) are in italic. Arginine side chains are folded twice (−42 ppm), and tryptophan side chains are folded once (+21 ppm).
