4.2.3.25 - 706136 4.2.3.25 HisTrap column chromatography and Superdex S75 gel filtration 746581 4.2.3.25 native enzyme 26fold from stigmata of freshly opened flowers by anion exchange and hydroxyapatite chromatography to over 95% purity 660787 4.2.3.25 Ni2+ affinity chromatography, gel filtration 703821 4.2.3.25 partially from fruits by anion exchange chromatography 663168