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. 2010 Apr 25;61(10):2683–2692. doi: 10.1093/jxb/erq103

Table 2.

Substrate specificity of recombinant OsSPS1 and OsSPS2

Alyllic substrate Relative activity (%)
OsSPS1 OsSPS2
DMAPP 6.00±5.08 18.1±6.59
GPP 59.3±30.8 100
FPP 100 44.0±31.1
GGPP 8.23±4.26 34.6±9.80

The absolute activities of OsSPS1 and OsSPS2 were 13.7±1.03 pkat mg−1 protein (for FPP), 0.17±0.03 pkat mg−1 protein (for GPP), respectively.