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. Author manuscript; available in PMC: 2012 Jan 23.
Published in final edited form as: Biochemistry. 2011 Nov 15;50(49):10570–10572. doi: 10.1021/bi201581b

Table 1.

Kinetic Parameters for the Reaction of HepI with LipidA Acceptor Molecules in the Presence and Absence of Detergent

acceptor kcat (s−1) Km (μM) kcat/Km (M−1 s−1)
A 6.6 ± 0.8 29 ± 7 2.2 × 105
A with Triton X-100 4.7 ± 0.3 9 ± 1 5.2 × 105
B 8 ± 1 46 ± 13 1.7 × 105
B with Triton X-100 5.5 ± 0.4 16 ± 3 3.4 × 105
C 1.06 ± 0.05 0.9 ± 0.2 1.1 × 106
C with Triton X-100 1.47 ± 0.08 0.4 ± 0.1 3.7 × 106
D 0.76 ± 0.03 0.28 ± 0.08 2.7 × 106
D with Triton X-100 1.05 ± 0.07 0.5 ± 0.1 2.1 × 106