Table IV.

Fractionation of the NFORase and MDA reductase activity of spinach leaf PM vesicles

Parameter	Protein		NFORase		MDA Reductase
	Suc	KCl	Suc	KCl	Suc	KCl
	nmol min−1mg−1 protein
PM-specific activity	N/A	N/A	671 ± 135	600 ± 42	54 ± 22	62 ± 5
	%
Relative values
PM	100	100	100	100	100	100
S1	5	4	6	6	14	11
S2	2	1	1	1	2	2
S3	13	16	17	31	30	54
S4	14	10	22	18	31	20
S5	14	15	7	10	12	21
P5	44	59	13	12	6a	5a
Recovery	92	105	66	78	95	113

PM vesicles were purified in the presence of either 300 mm Suc or 150 mm KCl (see Methods). The origin of the fractions is explained in Figure 1. Values are the averages of three independent series of PM preparations both with Suc and with KCl and are given as percentages of the PM (100%).

^aValues are not significantly different from 0.