Table I. Thermodynamic parameters of the interaction between Srx from Arabidopsis (AtSrx) or pea (PsSrx) with PsTrxo and Prxs (At-2-Cys Prx, Ps-2-Cys Prx, and PsPrx IIF)
SyringeCellTªKdΔGΔHΔS
°CmkCal mol−1kCal mol−1Cal mol−1 K−1
AtSrxAt-2-Cys Prx-SH253.67 ± 0.00−3.01 × 10−5−12.2 ± 1.4
At-2-Cys Prx-SO2H257.32 × 10−5−7.99 ± 0.039.01 ± 0.5157.0 ± 1.7
PsSrxPsTrxo252.88 × 10−6−8.81 ± 0.06−69.85 ± 0.63−205 ± 2.1
Ps-2-Cys Prx-SO2H253.03 × 10−6−8.84 ± 0.058.92 ± 0.9959.6 ± 1.0
PsPrx IIF-SH254.16 ± 0.02−2.50 × 10−5−14.2 ± 1.5
PsPrx IIF-SO2H252.85 × 10−6−8.80 ± 0.061.02 ± 0.0633.0 ± 0.3