Table 3 Thermodynamic parameters of complexes of peptides with trypsin and α- chymotrypsin.

From: A new multigene HCIQ subfamily from the sea anemone Heteractis crispa encodes Kunitz-peptides exhibiting neuroprotective activity against 6-hydroxydopamine

Peptide

Proteinase

∆H, kJ/mol

T∆S, kJ/mol

∆G, kJ/mol

Reference

HCIQ2c1

Trypsin

72.30

127.04

–54.70

 

α-chymotrypsin

19.58

63.27

–43.70

HMIQ3c1

α-chymotrypsin

34.0

75.8

–41.8

53

HCRG1

Trypsin

33.00

88

–55

15

α-chymotrypsin

28.00

77

–49

HCRG2

Trypsin

39.00

92

–53

α-chymotrypsin

10.00

60

–50

InhVJ

Trypsin

44.15

49.35

–5.2

52

α-chymotrypsin

77.29

82.34

–5.5

  1. ΔG — Gibbs energy changes, TΔS — entropic term, and ΔH — enthalpy changes.
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