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. 1998 Jul;64(7):2609–2615. doi: 10.1128/aem.64.7.2609-2615.1998

TABLE 2.

Comparison of kinetic characteristics of M. jannaschii I-1-Pase with those of purified I-1-Pase enzymes from other organisms

I-1-Pase source Km (mM) (± SD) Vmaxa
M. jannaschii 0.091 ± 0.016 9.3 ± 0.45
Bovine 0.16 ± 0.02 13.3 ± 0.9
Human recombinant 0.075 ± 0.003 36.1 ± 1
E. coli 0.071 ± 0.008 13.3 ± 0.9
a

Shown as micromoles of Pi produced per minute per milligram of protein (± standard deviation).