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. Author manuscript; available in PMC: 2010 Sep 9.
Published in final edited form as: J Am Chem Soc. 2009 Sep 9;131(35):12682–12692. doi: 10.1021/ja903051q

Table 1.

Solution Thermodynamic Parameters for the Trilactone-Based Ent, BB and SGC.

SERglyCAM Enterobactina Bacillibactinb
[L]6- log K1 12.1 12.1 12.1
[LH]5- log K2 12.1 12.1 12.1
[LH2]4- log K3 12.1 12.1 12.1
[LH3]3- log K4 8.37(3) 8.6 8.43
[LH4]2- log K5 7.54(2) 7.5 7.43
[LH5]- log K6 6.68(3) 6.0 6.77
Σlog K1-6 58.89 58.4 58.93
[FeL]3- log β110 44.1(2) 49 47.6
pM(FeIII) 29.6 34.3 33.1
a

Parameters determined in previous studies.11

b

Parameters determined in previous studies.12