Step Protein mg/
ml
Specific activity
pmole.
mg-1.h-1
Total activity
pmole.
h-
Yield % Purification
factor
Sulfate ammonium
precipitation
(40-60 %)
64.0 540 45 100 1,0
MS2-Protein
(Superdex
G-200)
2.1 1790 4.47 10 3.31
MS2-
Protein(Phenyl-
SuperoseHR
1.06 1150 2.87 6.3 2.12
Table 1: Purification of ribonucleotide reductase from Mycobacterium smegmatis
mc2 155.