Table 1.

¹H and ¹³C NMR spectral data of nosiheptide(δ in ppm, J in Hz).

Ind CO	180.69	But 3	128.14	6.32 (q, J = 6.72)
Glu CO	173.52	Pyr 4	127.17	7.64 (s)
Thz(3) 2	170.18	Thz(5) 5	126.52	8.28 (s)
Thz(4) 2	169.64	Thz(1) 5	125.82	8.47 (s)
Thr CO	169.44	Thz(3) 5	125.67	8.18 (s)
Thz(5) 2	166.83	Ind 6	125.28	7.41 (dd, J = 7.13, 7.33)
Thz(2) 2	166.41	Ind 3a	124.36
Deala CO	165.99	Thz(2) 5	123.91	7.91 (s)
Thz(1) 2	164.85	Ind 5	122.24	7.12 (d, J = 7.13)
Thz(3) CO	161.43	Thz(4) 5	120.38	7.66 (s)
Thz(2) CO	160.84	Ind 3	118.90
Thz(1) CO	160.57	Ind 7	115.31	7.79 (d, J = 7.33)
Thz(5) CO	158.59	Deala 3	104.03	6.60 E (d, J = 1.83),
				5.58 Z (d, J = 1.73)
Thz(4) 4	155.00	Thr 3	67.45	4.04 (dd, J = 3.46, 13,65)
Pyr 3	150.30	Glu 4	67.18	4.14 (d, J= 12.02)
Thz(1) 4	149.81	Ind 4’	66.65	5.85 (d, J = 11.25),
				5.02 (d, br, J = 10.79)
Thz(5) 4	149.76	Thr2	56.75	4.36 (d, J = 7.79)
Thz(3) 4	148.45	Cys 2	50.17	5.98 (d, br, J = 9.00)
Thz(2) 4	147.86	Glu2	45.85	5.76 (t, J = 10.19)
Pyr 6	143.99	Glu 3	36.72	2.35 S (m),
				1.80 R (m)
Ind 7a	137.43	Cys 3	29.71	3.79 (dd, J = 3.66, 12.21),
				3.71 (dd, J = 4.07, 11.81)
Pyr 2	134.46	Thr CH3	17.52	0.95 (s)
Deala 2	132.93	But CH3	14.58	1.68 (d, J = 6.92)
Ind 2	130.64	Ind CH3	11.96	2.54 (s)
Pyr 5	130.41	Ind NH		10.83 (s, br)
But 2	129.41	Deala NH		9.99 (s)
Ind 4	128.73	But NH		9.75 (s)
		Glu NH		7.97 (d, br, J = 7.29)
		Glu OH
		Cys NH		7.82 (s)
		Thr NH		7.50 (s)