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. 2016 Jul 25;172(1):603–618. doi: 10.1104/pp.16.01051

Table II. Kinetic parameters (toward DMAPP) for recombinant heteromeric and heteromeric G(G)PPS of cucumber.

All results are presented as means ± sd of triplicate experiments.

Enzyme Kma Kcat/Km
μm s−1m−1
CsaGGPPS1 9.5 ± 0.1 52.0 ± 2.4
CsaGGPPS1/CsaSSU I 21.7 ± 2.5 173.1 ± 12.3
CsaGGPPS1/CsaSSU II 8.2 ± 0.1 133.1 ± 20.1
CsaGGPS2 28.3 ± 5.5 60.8 ± 11.9
CsaGGPS2/CsaSSU I 11.9 ± 5.4 251.9 ± 37.7
CsaGGPS2/CsaSSU II 26.7 ± 1.6 122.9 ± 4.1
a

With 30 μm IPP as cosubstrate.