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Table 5 A summary of all kinetic constants determined for the PANAT-catalysed acetylation of 5-aminosalicylic acid

From: Kinetic characterisation of arylamine N-acetyltransferase from Pseudomonas aeruginosa

Constanta

Value

K mA

1.02 ± 0.29 mM

K mB

0.219 ± 0.073 mM

K si(B→E)

1.93 ± 0.28 mM

K si ( B → FP EA ) MathType@MTEF@5@5@+=feaafiart1ev1aaatCvAUfKttLearuWrP9MDH5MBPbIqV92AaeXatLxBI9gBaebbnrfifHhDYfgasaacH8akY=wiFfYdH8Gipec8Eeeu0xXdbba9frFj0=OqFfea0dXdd9vqai=hGuQ8kuc9pgc9s8qqaq=dirpe0xb9q8qiLsFr0=vr0=vr0dc8meaabaqaciaacaGaaeqabaqabeGadaaakeaacqWGlbWsdaWgaaWcbaGaee4CamNaeeyAaKMaeiikaGIaeeOqaiKaeyOKH46aa0baaWqaaiabbAeagjabbcfaqbqaaiabbweafjabbgeabbaaliabcMcaPaqabaaaaa@39F4@

1.03 ± 0.34 mM

V max

1.75 ± 0.07 μM·s-1

k cat

434 ± 17 s-1

kcat/KmA

468 ± 150 mM-1·s-1

kcat/KmB

2259 ± 830 mM-1·s-1

  1. aAbbreviations: A, AcCoA; B, 5-aminosalicylic acid; E, PANAT; F, acetyl-PANAT.