From: Redundancy and metabolic function of the glutamine synthetase gene family in poplar
Ammonium | Glutamate | ATP | |
---|---|---|---|
GS1.1 | K m = 5 μM | Negative cooperativity | K m = 1.4 mM |
nH = 0.6 | |||
K cat/ K m = 1.2 x107 a | |||
GS1.2 | |||
819912 | K m = 200 mM | Negative cooperativity | K m = 0.9 mM |
716066 | K m = 190 mM | nH = 0.6 | K m = 1.0 mM |
K cat/ K m = 0.8 x106 a | |||
GS1.3 | K m = 110 μM | Negative cooperativity | K m = 1.0 mM |
nH = 0.6 | |||
K cat/ K m = 1.1 x106 a | |||
GS2 | Positive cooperativity | K m = 26 mM | K m = 0.7 mM |
nH = 1.7; S 0.5 = 0.3 |