TABLE 1.

Parameters of binding of OlpB_1391-1664, SlpA_27-235, EA1_32-213, and Sap_32-211 polypeptides to C. thermocellum and B. anthracis cell walls

Protein	C. thermocellum cell walls		B. anthracis cell walls
	KD (M)	Capacitya	KD (M)	Capacity
OlpB1391-1664	4.8 × 10−7 ([2.7–6.9] × 10−7b)	66 (55–78b)	1.9 × 10−7 ([1.2–2.6] × 10−7)	18 (16–19)
SlpA27-235	2.1 × 10−7 ([1.2–2.9] × 10−7)	66 (58–74)	7.1 × 10−7 ([3.7–10.4] × 10−7)	24 (20–27)
EA132-213	1.8 × 10−8 ([1.0–2.6] × 10−8)	88 (83–93)	1.8 × 10−7 ([0.9–2.6] × 10−7)	46 (40–51)
Sap32-211	3.1 × 10−8 ([1.7–4.6] × 10−8)	91 (85–97)	1.0 × 10−7 ([0.5–1.5] × 10−7)	42 (36–48)

^aBinding capacity of cell walls, expressed as millimoles of bound SLH domains per mole of meso-diaminopimelate (dap). 

^b95% confidence interval.