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. 2005 Jul;138(3):1552–1562. doi: 10.1104/pp.105.060699

Table III.

Observed kinetic constants of wild-type AGPase and the small-subunit mosaics in the absence of 3-PGA

Mutant
ATP
Glc-1-P
S0.5 Vmax(obs) kcat S0.5 Vmax(obs) kcat
mm μmol min−1 mg−1 s−1 mm μmol min−1 mg−1 s−1
Maize AGPase 0.84 1.4 5.1 1.3 1.6 5.9
MPss/Mls 0.44 7.9 30.0 0.4 8.8 32.3
P2M2Pss/Mls 0.60 3.1 11.4 0.9 3.5 12.8
Pss/Mls 0.82 1.3 4.8 0.9 1.4 5.1