Table 1.

Sequences, MS analyses and retention times of the lipopeptides

Peptide	Sequence	MS analysis			Adjusted retention time (min)
		Ion type	m/za	m/zb
1M	C14-K-NH2	[M+H]+	356.32	356.55	19.55
2M	C14-KK-NH2	[M+H]+ [M+2H]2+	484.42 242.43	484.92 -	15.72
3M	C14-KKK-NH2	[M+H]+ [M+2H]2+	612.52 306.76	612.72 -	13.82
4M	C14-KKKK-NH2	[M+H]+ [M+2H]2+ [M+3H]3+	740.60 370.81 185.66	740.75 - -	12.88
1P	C16-K-NH2	[M+H]+	384.36	384.57	24.11
2P	C16-KK-NH2	[M+H]+ [M+2H]2+	512.45 256.73	512.71 -	19.30
3P	C16-KKK-NH2	[M+H]+ [M+2H]2+ [M+3H]3+	640.55 320.78 160.64	640.81 321.00 -	17.01
4P	C16-KKKK-NH2	[M+H]+ [M+2H]2+ [M+3H]3+	768.74 384.82 192.66	768.88 - -	15.48
1S	C18-K-NH2	[M+H]+	412.39	412.62	28.57
2S	C18-KK-NH2	[M+H]+ [M+2H]2+	540.48 270.75	540.62 -	22.38
3S	C18-KKK-NH2	[M+H]+ [M+2H]2+	668.58 334.79	668.77 335.11	19.50
4S	C18-KKKK-NH2	[M+H]+ [M+2H]2+ [M+3H]3+	796.67 398.84 266.23	796.84 - -	17.88
1Mq	C14-K(Me3)+-NH2	[Mc]+	398.37	398.60	20.15
2Mq	C14-K(Me3)+K(Me3)+-NH2	[Mc]2+ [Mc+FA]+	284.76 614.52	285.04 614.70	16.32
3Mq	C14-K(Me3)+K(Me3)+K(Me3)+-NH2	[Mc]3+ [Mc+2FA]+	246.96 830.67	- 830.47	14.27
4Mq	C14-K(Me3)+K(Me3)+K(Me3)+K(Me3)+-NH2	[Mc]4+ [Mc+2FA]2+ [Mc+3FA]+	227.96 500.91 1046.82	- 501.32 1046.79	13.13
1Pq	C16-K(Me3)+-NH2	[Mc]+	426.41	426.64	24.39
2Pq	C16-K(Me3)+K(Me3)+-NH2	[Mc]2+ [Mc+FA]+	298.78 624.55	299.24 642.79	19.77
3Pq	C16-K(Me3)+K(Me3)+K(Me3)+-NH2	[Mc]3+ [Mc+2FA]+	256.23 858.70	- 858.76	17.05
4Pq	C16-K(Me3)+K(Me3)+K(Me3)+K(Me3)+-NH2	[Mc]4+ [Mc+2FA]2+ [Mc+3FA]+	234.96 514.92 1074.85	- 515.25 1074.87	15.47
1Sq	C18-K(Me3)+-NH2	[Mc]+	454.44	454.63	29.60
2Sq	C18-K(Me3)+K(Me3)+-NH2	[Mc]2+ [Mc+FA]+	312.79 670.58	312.97 670.86	23.41
3Sq	C18-K(Me3)+K(Me3)+K(Me3)+-NH2	[Mc]3+ [Mc+2FA]+	265.58 886.73	- 886.80	20.23
4Sq	C18-K(Me3)+K(Me3)+K(Me3)+K(Me3)+-NH2	[Mc]4+ [Mc+2FA]2+ [Mc+3FA]+	241.97 528.94 1102.88	- 529.36 1102.74	18.49

^acalculated mass to charge ratio

^bmeasured mass to charge ratio