Results of ultrafiltration regarding protein concentration
revealed that majority of extracted proteins was in the third
fraction, 0.47 mg/mL, which mostly contained molecules having
molecular weight above 30 kDa, while the concentration of proteins
in the second fraction with molecules between approximately
10 kDa and 30 kDa was the lowest one, amounting 0.04 mg/mL.
Protein concentration in crude extract and the first fraction were
0.86 mg/mL and 0.36 mg/mL, respectively. On the base of these
results it can be calculated that content of proteins in the 1st and
the 3rd ultrafiltration fractions amounted about 40% and 55% of
total extracted protein, respectively.