Table 1.

NMR Data for 1 in DMSO-d₆ (¹H 500MHz, ¹³C 125MHz)

position	δC	δH(J in Hz)	HMBC	ROESY
		Pro
1	169.6, C
2	60.0, CH	4.67, d (7.0)	1, 3, 4, 5, 1Ser	3, 2Ser, 3Phe
3	29.0, CH2	1.60, m	1, 2, 4, 5	2, 4, 5
		2.17, m
4	20.7, CH2	0.48, m	2, 3	3, 5
		1.49, m
5	45.7, CH2	2.93, br t (10.0)	4, 3, 1Ser	3, 4
		3.22, m
		Ser
1	168.6, C
2	55.2, CH	4.08, m	1, 3, 1Leu	3, 2Pro, NH
3	60.3, CH2	3.58, m	1, 2	2, NH
NH		9.07, br s	3, 1Leu	2, 3, 2Leu
		Leu
1	172.7, C
2	50.3, CH	4.34, dd (7.5)	1, 3, 4, 1Thr-ether	3, 5, 6, NH, NHSer
3	42.8, CH2	1.44, m	1, 2, 5, 6	2, 4, 5, 6
4	23.8, CH	1.72, m	2, 3, 5, 6	3, 5, 6
5	22.1, CH3	0.96, d (6.5)	3, 4, 6	2, 3, 4
6	22.7, CH3	0.92, d (6.5)	3, 4, 5	2, 3, 4
NH		6.62, d (7.5)	1, 2, 1Thr-ether	2, NHThr-ether
		Thr-ether
1	169.5, C
2	60.7, CH	3.97, dd (8.5, 2.5)	1, 3, 4, 1Tzn	4, NH
3	66.7, CH	4.05, m	1′	2′, 3′, 4, NH
4	20.9, CH3	1.17, d (6.0)	2, 3	2, 3
1′	75.5, C
2′	26.2, CH3	1.23, s	1′, 3′, 4′	3, 4′, 5′, NH
3′	26.2, CH3	1.23, s	l′, 2′, 4′	3, 4′, 5′, NH
4′	143.7, CH	5.85, dd (18.0, 11.0)	l′, 2′, 3′	2′, 3′, 5′
5′	113.6, CH2	5.05, d (11.0)	l′, 4′	2′, 3′4′
		5.17, d (18.0)
NH		7.37, d (8.5)	2, 3, 1Tzn	2, 3, 2′, 3′, 2Tzn, NHLeu
		Tzn
1	170.3, C
2	77.5, CH	5.40, dd (11.0, 2.0)	1, 1Phe	3, NHThr-ether
3	32.9, CH2	3.45, dd (11.0, 11.0)	1, 2, 1Phe	2
		3.72, dd (11.0, 2.0)
		Phe
1	175.1, C
2	51.6, CH	4.97, m	1, 3	3, 5/5′, NH
3	36.8, CH2	3.17, m	1, 2, 4, 5/5′	2, 5/5′, NH, 2Pro
		3.57, m
4	138.2, C
5/5′	128.6, CH	7.17, m	3, 5′/5, 7	2, 3, NH
6/6′	128.0, CH	7.28, m	4, 6′/6
7	126.0, CH	7.19, m	5/5′
NH		9.28, d (9.0)	2, 3, 1Pro	2, 3, 5/5′