TABLE 2.

Kinetic parameters for the reduction of 4H2B by purified enzymes.

Enzyme	K m	k cat	k cat / K m
	[mM]	[min−1]	[M−1·min−1]
LnRCR	28.0 ± 3	1.28 × 104	4.6 × 105
LnRCRSer154Lys	20.1 ± 2	1.98 × 104	9.9 × 105
LnRCRSer154Glu	30.1 ± 4	1.30 × 104	3.3 × 105
LnRCRSer154Asp	35.6 ± 2	1.33 × 104	3.7 × 105