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. 2001 Aug;183(15):4468–4476. doi: 10.1128/JB.183.15.4468-4476.2001

TABLE 2.

Purification of soluble Fe(III) reductase

Purification step Amt of protein (mg) Activity (U) Sp act (U/mg) Yield (%) Purification (fold)
Crude extract 493.8 54.8 0.11 100 1
Q-Sepharose 38.4 37.8 0.98 69 9
Butyl-Sepharose 5.4 21.3 3.94 39 36
Superdex 200 0.5 15.7 31.40 29 282
MonoQ 0.17 11.1 65.30 20 594