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. Author manuscript; available in PMC: 2011 Apr 1.
Published in final edited form as: Bioorg Chem. 2009 Nov 29;38(2):62–73. doi: 10.1016/j.bioorg.2009.11.004

Table 3.

Steady-State Kinetic Parameters for Agmatine with Wild Type and Mutant HpAgD

Enzyme Substrate kcat (min−1) Km (μM) kcat/Km (min−1M−1)
Wild Type Agmatine 4.90 ± 0.29 33 ± 8.8 147 ×103
C324Aa Agmatinea NDb NDb ≤ 19.2
D198Aa Agmatine 0.28 ± 0.01 170 ± 79.8 1.7×103
a

10 mM agmatine,

b

ND=Not Determined.