Table I.

Temperature dependence of the dephosphorylation rates for the major phosphoproteins in isolated thylakoids

Temperaturet1/2
22°C27°C35°C42°C
min
Phosphoprotein
 CP4322 ± 833 ± 59 ± 42 ± 0.6
 D1/D249 ± 1249 ± 78 ± 44 ± 2
 9-kD52 ± 2655 ± 109 ± 619 ± 10
 LHCII35 ± 1037 ± 712 ± 1018 ± 7
 29-kD43 ± 935 ± 814 ± 413 ± 3

The data are presented as the half-times (minutes). The half-times were calculated from the first-order rate fitting of the dephosphorylation versus time curves obtained from four experiments at each temperature.