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. 2009 Apr;67(4):445–454. doi: 10.1111/j.1365-2125.2009.03386.x

Table 4.

Enzyme kinetic values attained from multisite equation for midazolam (MDZ) glucuronidation by human liver microsomes (HLM) and rUGT1A4

MDZ
Parameters HLM rUGT1A4
Vmax (pmol min−1 mg−1) 445 ± 1 427 ± 0.5
Ks (µM) 46 ± 5 64 ± 6.4
Ki (µM) 58 ± 6 79 ± 8
α 18.3 ± 0.0007 14.9 ± 0.0008
n 2.3 ± 0.05 2.6 ± 0.07
R2 0.962 0.986