Table 1. Chemical shift (C_α and C_β) assignments for free [¹³C,¹⁵N]-NT(9-13), [¹³C,¹⁵N]-NT(8-13) in detergent buffer, [¹³C,¹⁵N]-NT(8-13) in complex with detergent solubilized receptor (sample NT/NTS-1A), and [¹³C,¹⁵N]-NT(8-13) in complex with lipid-reconstituted NTS-1 (sample NT/NTS-1B)

		Arg⁸	Arg⁹	Pro¹⁰	Tyr¹¹	Ile¹²	Leu¹³
C_α	NT(9–13) NT(8–13) NT/NTS–1A NT/NTS–1B	— 58.1 ± 0.5 58.6 ± 1.0 60.1 ± 1.0	55.1 ± 0.5 56.1 ± 1.0 56.6 ± 1.0 56.1 ± 1.0	66.1 ± 1.0 64.1 ± 1.0 64.1 ± 1.0 62.6 ± 1.0	60.1 ± 1.0 60.1 ± 0.5 58.1 ± 1.0 58.6 ± 1.0	62.6 ± 1.0 61.6 ± 1.0 61.1 ± 1.0 55.6 ± 1.0	56.1 ± 1.0 58.1 ± 1.0 57.1 ± 1.0 56.6 ± 1.0
C_β	NT(9–13) NT(8–13) NT/NTS–1A NT/NTS–1B	— 33.6 ± 0.5 32.6 ± 1.5 34.1 ± 1.5	31.1 ± 0.5 32.1 ± 0.5 32.6 ± 1.0 32.1 ± 1.0	33.1 ± 0.5 34.1 ± 1.5 34.1 ± 1.5 36.6 ± 1.5	41.6 ± 1.0 41.1 ± 0.5 41.1 ± 1.0 43.6 ± 1.0	40.1 ± 0.5 40.1 ± 0.5 41.1 ± 1.5 40.6 ± 1.5	43.6 ± 1.0 44.1 ± 0.5 43.1 ± 1.0 46.1 ± 1.0
Δδ	NT(9–13) NT(8–13) NT/NTS–1A NT/NTS–1B	— –1.8 ± 1.0 –0.3 ± 2.5 –0.3 ± 2.5	–2.3 ± 1.0 –2.3 ± 1.5 –2.3 ± 2.0 –2.3 ± 2.0	1.5 ± 1.5 –1.5 ± 2.5 –1.5 ± 2.5 –5.5 ± 2.5	–0.4 ± 2.0 0.1 ± 1.0 –1.9 ± 2.0 –3.9 ± 2.0	–0.5 ± 1.5 –1.5 ± 1.5 –3.0 ± 2.5 –8.0 ± 2.5	–0.8 ± 2.0 0.7 ± 1.5 0.7 ± 2.0 –2.8 ± 2.0
ψ φ		–34 ± 15 —	136 ± 25 –134 ± 31	146 ± 15 –147 ± 16	131 ± 19 –121 ± 22	134 ± 24 –114 ± 8	— –104 ± 16

All values are given in ppm. Dihedral angles (ψ,φ) as obtained from an analysis using TALOS are indicated.