3.4.24.25 - 31109 3.4.24.25 ammonium sulfate precipitation and DEAE-Sepharose column chromatography 712409 3.4.24.25 recombinant processed 35 kDa vibriolysin from Escherichia coli by anion exchange chromatography and gel filtration to homogeneity 718364 3.4.24.25 recombinant protein 701058