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. 2005 Jun;187(11):3636–3642. doi: 10.1128/JB.187.11.3636-3642.2005

TABLE 2.

Kinetic parameters of purified rHps-Phi and rHps

Enzyme Temp (°C) Apparent Kma for formaldehyde (mM) Vmaxa (U/mg) kcat (s−1) kcat/Km (mM−1 · s−1)
rHps-Phi 60 16.9 384 281 45.0
80 6.25 526 386 61.8
rHps 60 2.31 170 62.2 26.9
80 1.95 435 159 81.5
a

Km and Vmax were obtained by double reciprocal plots of HPS activity versus formaldehyde concentration.