. Author manuscript; available in PMC: 2011 Sep 1.

Published in final edited form as: Anal Biochem. 2010 May 5;404(1):56–63. doi: 10.1016/j.ab.2010.04.033

Table 3.

Inhibition constants for 15–17.

Protein	Inhibitor	Substrate^a	$K_{i}^{a p p}$ , nM
EntE	15, Sal-AMS	SAL	8.2 ± 1.3
EntE	15, Sal-AMS	2,3-DHB	207.2 ± 9.7
GrsA	16, Phe-AMS	D-Phe	8.0 ± 0.8
FadD28	17, tetradecyl-AMS	C14	2482 ± 203

Substrate employed for the respective adenylating enzyme. SAL = salicylic acid, 2,3-DHB = 2,3-dihydroxybenzoic acid, D-Phe = D-phenylalanine, C14 = tetradecanoic acid