. Author manuscript; available in PMC: 2012 Sep 6.

Published in final edited form as: Biochemistry. 2011 Aug 12;50(35):7522–7535. doi: 10.1021/bi2006459

Table 5.

Tryptophan side chain CD quadrupolar splitting magnitudes for GW^x,yALP23 peptides incorporated in lipid bilayer membranes.^a

Peptide	Lipid	Δν_q, kHz, for (specific indole ring positions)
		N-terminal Trp				C-terminal Trp
		(2)	(4/7)	(5)	(6)	(2)	(4/7)	(5)	(6)
GW^7,17ALP23	DLPC	67	63	154	74	54	63^d	4	63^d
	DMPC	54^b	81	154	85	49^a	67^d	6^b	67^d
	DOPC	42^c	77^c			55	67^d	8	67^d
GW^5,19ALP23	DLPC	43^b	8	105	76	61^a	30	6^b	85
	DMPC	54^b	58	142	85	54^a	43	33^b	89
	DOPC	39^b	86	137^b	88	58^b	39	8	78
GW^3,21ALP23	DLPC	64^b	120	51^b	15	53^b	36	4	58
	DMPC	64^c	145^c	50^b ^c	42^c	40^b ^c	27^c		59^c
	DOPC	62^c	141^c	52^b ^c		27^b ^c	19^c	7^c	51^c

Values were obtained from the β=90° sample orientation and were multiplied by two. Entries left blank were not observed.

Value is also observed in a partially deuterated sample.

Quadrupolar splittings have not been assigned to individual sites.

Signals not resolved.