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. 2017 Nov 14;9(11):369. doi: 10.3390/toxins9110369

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© 2017 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Valence-dependent solution-to-membrane partitioning of P454-derived peptides. (A) Free energy of membrane partitioning for peptides in POPC/POPG 8:2 (circles) and POPC (squares) SUVs. (B) Free energy of membrane partitioning for peptides in DOPC/DOPG 8:2 (circles) and DOPC (squares) SUVs. Solution-to-membrane partition of peptides was recorded by tryptophan intrinsic fluorescence. Titration data sets are shown in Figure S3 and were used to determine the K_X and ΔG values (see Table S5). The valence of peptides is given in Table S1. S.D. are ±0.1 kcal/mol.