Table 1. Kinetic parameters for PpOpnDH.

Substrates	Electron acceptors	Specific activity a (units/mg protein)	K m	k cat	k cat/K m
			(mM)	(min-1)	(min-1·mM-1)
Nopaline	Cl2Ind	27.9±1.3	0.476±0.047	18900±1700	39800±370
Nopaline	PMS/INT	6.45±0.52	0.127±0.007	5490±320	43100±700
Nopaline	PMS/NBT	2.11±0.03	0.0772±0.0041	1390±40	18100±440
Nopaline	Ferricyanide	7.29±0.42	0.379±0.051	1040±47	2750±250
Nopaline	Cytochrome c	18.5±0.24	0.379±0.063	17920±2800	47300±380
Octopine	Cl2Ind	0.00780±0.00074	39.0±15.6	138±49	3.60±0.27

^a Under standard assay conditions described in the Materials and Methods section.