Table 1.

Kinetic constants for Ssb, Ssa, B--, A--, BAA, and ABB at both 2.5 and 100 mM potassium acetate

	2.5 mM KOAc			100 mM KOAc
	kcat, min−1	Km, μM	kcat/Km	kcat, min−1	Km, μM	kcat/Km
BBB	0.95  ±  0.13	270  ±  46	3.5  ×  10−3	0.81  ±  0.13	147  ±  42	5.5  ×  10−3
B--	1.24  ±  0.10	14.0  ±  5.7	8.8  ×  10−2	4.49  ±  0.98	0.37  ±  0.07	12.1
BAA	0.0143  ±  0.0011	20.1  ±  3.2	7.1  ×  10−4	0.14  ±  0.02	1.69  ±  0.43	8.3  ×  10−2
ABB	0.506  ±  0.014	205  ±  10	2.5  ×  10−3	0.861  ±  0.064	98.6  ±  15.8	8.7  ×  10−3
AAA	0.028  ±  0.003	4.2  ±  1	6.6  ×  10−3	0.031  ±  0.004	0.11  ±  0.04	2.8  ×  10−1
A--	0.046  ±  0.07	45  ±  8.82	1.0  ×  10−3	0.116  ±  0.021	0.49  ±  0.15	2.4  ×  10−1