4.99.1.4 - 653297 4.99.1.4 chelating Sepharose column chromatography 730419 4.99.1.4 Ni-NTA column chromatography 729160 4.99.1.4 recombinant Met8p 644283 4.99.1.4 recombinant protein 665692 4.99.1.4 recombinant SirB 649745