Table 1.

W3 mode frequencies and χ^2,1 torsional angle for Tryptophan in Peptides and Proteins

Protein System/Trp No.	Trp residue	νW3 (cm-1)	χ2,1, degree	Reduced χ2,1 (0 - 120°)	PDB #
glyceraldehyde 3-phosphate dehydrogenase	84	1557a	127.61	7.6	1GD1j
Gyrase B with Novacin	128	1556b	-106.13	14	1KIJk
Gyrase B with chlorobiocin	170	1555b	-98.1	22	1KZNl
Bacteriorhodopsin	182	1550c	36	36	2BRDm
	189	1553c	106	106
Pf3 virion coat protein	38	1546d	142	22	1IFPn
fd virion coat protein	26	1560e	87	87	2C0Xo
apo TIM mutant	168	1546f	-79.6	40.4	1YPIp
PGA-TIM mutant	168	1544f	-99.6	20.4	7TIMq
apoPTPase	354	1549g	-71.2	48.8	1YPTr
Tungstate PTPase		1559g	-4	116	1YTWs
COHb	β37	1547h	92i	92	1LJWt
	β15	1558h	115i	115
	α14	1558h	122i	2
deoxyHb	β37	1548h	93i	93	4HHBu
	β15	1558h	104i	104
	α14	1558 h	100i	100
horse heart cytochrome C	59	1552i	114.5	114.5	1HRCv
melittin	19A	1547 f	95.3		2MLTw
	19B	1547 f	89.2
exendin-4 TC5b W/P cage	25	1546 f	73.2		1JRJx

^aAustin et al., 1989 (45)

^bCouling et al., 1998 (46)

^cHashimoto et al., 1997 (36)

^dWen and Thomas Jr., 2000 (43)

^eWen and Thomas Jr., 2000 (43)

^fThis paper

^gJuszczak et al., 1997 (44)

^hRodgers et al., 1992 (47)

ⁱJordan et al., 1995 (42)

^jSkarzynski et al., 1987 (48)

^kLamour et al., 2002 (49)

^lLafitte et al., 2002 (50)

^mGrigorieff et al., 1996 (51)

ⁿWelsh et al., 1998 (38)

^oMarvin et al., 2006 (37)

^pLolis et al., 1990 (28)

^qLolis and Petsko, 1990 (25)

^rStuckey et. al, 1994 (52)

^sFauman et al., 1996 (53)

^tSafo et al., 2002 (54)

^uFermi, G. et al., 1984 (55)

^vBushnell et al., 1990 (56)

^wTerwilliger et al., 1982 (35)

^xNeidigh et al., 2001 (34)