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. 2023 Feb 17;299(4):103038. doi: 10.1016/j.jbc.2023.103038

Table 4.

Michaelis–Menten kinetic parameters for subfamily GH_2 RaGH31 from Rhodoferax aquaticus sp. nov. isolate Gr-4T

Substrate KM (mM) kcat (s−1) kcat/KM (M−1 s−1)
PNPGlc 0.17 ± 0.02 1.56 ± 0.04 8700 ± 960
sucrose 4.0 ± 1.1 0.18 ± 0.02 45 ± 13
maltose 2.2 ± 0.6 0.062 ± 0.006 28 ± 8
nigerose 3.4 ± 1.2 0.091 ± 0.014 27 ± 11
trehalose 2.6 ± 0.7 0.022 ± 0.002 8.6 ± 2.5