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. Author manuscript; available in PMC: 2011 Jan 24.
Published in final edited form as: J Pept Sci. 2009 Nov;15(11):790–795. doi: 10.1002/psc.1180

Table 2.

Stern-Volmer constant (Ksv) of the tryptophan residue in peptides by KI and acrylamide

Ksv (M−1) at pH=7.4 Ksv (M−1) at pH=5.5
Free Trp LL-1 LL-1a LL-1b LL-1c LL-1 LL-1a LL-1b LL-1c
KI 11.3 5.7 5.05 5.1 4.9 5.15 4.05 4.55 4.4
Acrylamide 20.7 16.3 16.17 14.8 17.5 16.5 12.4 12.2 13.2