Purification and Characterization of a Unique Pectin Lyase from Aspergillus giganteus Able to Release Unsaturated Monogalacturonate during Pectin Degradation

Table 4

Influence of substances on PLIII activity from A. giganteus.

Substance (2 mM)	PL activity (%)^*
CoCl2	153.6 ± 6.6
Pb(CH3COO)2	134.7 ± 3.2
BaCl2	132.4 ± 10.4
MgSO4	125.8 ± 12.6
ZnSO4	116.9 ± 4.8
NaCl	110.6 ± 5.6
CaCl2	107.4 ± 2.8
HgCl2	94.0 ± 8.9
MnSO4	88.5 ± 3.7
Sodium citrate	96.6 ± 0.6
EDTA	85.8 ± 7.4
DTT	102.4 ± 3.0
-Mercaptoethanol	78.8 ± 5.0
Iodoacetic acid	75.1 ± 2.3
PMSF	67.2 ± 2.5
SDS	6.4 ± 0.9

Control: 100% ± 6.1.