Table 1 Thermodynamic values of the water molecules around the AFPs at 260 K.

From: Balance between hydration enthalpy and entropy is important for ice binding surfaces in Antifreeze Proteins

AFP

Site

Total Free Energy ΔGSolv

Total Entropy TΔS

Total Enthalpy ΔE

Solute-Water Enthalpy ΔESW

TΔS/ΔESW

wfAFP

IBS

−2.8 ± 1.1

−32.9 ± 1.1

−35.7 ± 1.4

−64.3 ± 3.6

0.51 ± 0.02

RIBS

−3.5 ± 1.2

−26.6 ± 0.5

−30.0 ± 1.0

−58.4 ± 2.7

0.46 ± 0.03

RNIBS

−22.6 ± 3.8

−29.7 ± 1.4

−52.3 ± 5.1

−97.8 ± 10.4

0.31 ± 0.02

NIBS

−50.2 ± 6.6

−40.7 ± 1.4

−90.9 ± 8.0

−166.1 ± 15.3

0.25 ± 0.01

sbwAFP

IBS

−6.7 ± 1.4

−51.2 ± 3.1

−57.9 ± 2.3

−118.3 ± 4.8

0.43 ± −0.03

NIBS1

−80.7 ± 2.0

−69.1 ± 4.3

−149.8 ± 5.6

−295.6 ± 11.4

0.23 ± −0.02

NIBS2

−72.0 ± 2.9

−72.1 ± 2.7

−144.1 ± 5.4

−275.3 ± 9.3

0.26 ± −0.01

mwAFP

IBS

−5.6 ± 1.4

−48.1 ± 2.7

−53.7 ± 2.9

−101.7 ± 4.3

0.47 ± −0.03

NIBS1

−39.3 ± 3.3

−47.0 ± 1.4

−86.3 ± 3.6

−160.0 ± 7.4

0.29 ± −0.02

NIBS2

−48.4 ± 2.9

−47.2 ± 1.0

−95.7 ± 3.6

−173.6 ± 6.9

0.27 ± −0.01

NIBS3

−40.0 ± 3.5

−43.1 ± 2.2

−83.0 ± 3.9

−166.5 ± 8.7

0.26 ± −0.02

  1. All values are given in kcal/mol. Italic values describe the IBSs and bold values the NIBSs.