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. 2002 Dec;68(12):6193–6201. doi: 10.1128/AEM.68.12.6193-6201.2002

TABLE 2.

Purification of ADI, OTC, and CK from L. sanfranciscensis CB1

Enzyme and purification step Amt of protein (mg) Total activity (U) Sp act (U/mg)a Purification (fold) Activity yield (%)
ADI
    Cytoplasmic extract 1,370 22,198 16.20 1 100
    DEAE-cellulose 141 12,320 87.37 5.39 55.50
    Superose 12 17.1 4,031 235.73 14.55 18.15
    Phenyl-Superose 10.2 2,838 278.23 17.17 12.78
    Mono-Q 1.8 1,064 591.11 36.48 4.79
OTC
    Cytoplasmic extract 1,370 41,530 30.31 1 100
    DEAE-cellulose 24.2 6,221 257.06 8.48 14.98
    Superose 12 0.47 385 818.72 27.01 0.92
    Precipitation by (NH4)2SO4 0.12 201 1,675 55.26 0.48
    Mono-Q 0.07 137 1,960 64.66 0.33
CK
    Cytoplasmic extract 1,370 1,461 1.06 1 100
    DEAE-cellulose 37.4 231 6.17 5.82 15.79
    Superose 12 1.83 28 15.08 14.22 1.89
    Phenyl-Superose 0.51 15 30 28.30 1.04
    Mono-Q 0.12 7 60 56.60 0.49
    Mono-Q 0.03 2 80 75.47 0.16
a

For determination of specific activity, see Materials and Methods.