Interaction of Small Zinc Complexes with Globular Proteins and Free Tryptophan

Table 4

Changes in enthalpy () and entropy () for the interaction of the proteins (and Trp) with Zn complexes.

	4		5
	kJ mol^−1	J mol^−1 K^−1	kJ mol^−1	J mol^−1 K^−1
BSA	—	—	−175	−468
HSA	—	—	−207	−564
Lysozyme^1	—	—	−150	−365
Trp	−244	−716	—	—

Lysozyme did not quench at 45°C so the data is based on measurements at 25°C and 35°C only.