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. Author manuscript; available in PMC: 2012 Apr 1.
Published in final edited form as: Biomacromolecules. 2010 Oct 6;11(11):2873–2879. doi: 10.1021/bm100571j

Table 3.

Multiple nonlinear regression parameters describing the adependence of the transition temperature on pH, length, and concentration.

ELP
guest
residues		 pKa Tc,pro
(°C)		 Tc,depro
(°C)		 kpro
(°C
pentamers)		 kdepro
(°C
pentamers)		 Cc
(mM)		 R2 n
bV:I:E
[1:3:1]		 5.36 (0.04) 14.7 (1.2) 46.1 (1.2) 118 (17) 398 (42) 1.4 (0.5) 0.97 87
cV:H:G:A
[1:2:1:1]		 6.28 (0.03) 68.4 (2.1) 3.1 (1.2) 309 (32) 376 (18) 16.1 (3.7) 0.98 113
a

data fit to Eq 10 and parameters reported as estimate (standard error).

b

acidic ELP lengths from 40–160 pentamers, pH 2.5–7.8, and concentrations from 5–100 µM.

c

basic ELP lengths from 40–120 pentamers, pH 5.5–8.0, and concentrations from 10–500 µM.