2.8.2.30 K259A the mutant shows 13.1% activity compared to the wild type enzyme 726389 2.8.2.30 additional information a synthetic siRNA duplex, si3-OST-3, corresponding to 3-OST-3 mRNA sequences is used to inhibit the expression of mRNAs encoding 3-OST-3 isoforms, downregulation of the expression of 3-OST-3 by RNA interference potently reduced CyPB binding and consequent activation of p44/42 mitogen-activated protein kinases, overview 674849 2.8.2.30 additional information construction of a truncated version of 3-OST-3A starting at amino acid position G148, thereby lacking the cytoplasmic, transmembrane and SPLAG domain 691054 2.8.2.30 additional information enzyme HS3ST3B1 knockout using siRNA 761577 2.8.2.30 additional information expression of 3-OST-3 leads to cell-to-cll fusion activity in CHO-K1 cells via gD receptors modified with 3-OS HS generated by 3-OST-3, overview 677244 2.8.2.30 additional information generation of a truncated mutant enzyme depleted of its catalytic domain. The mutant shows the same localization in the Golgi as the wild-type full-length enzyme 760623 2.8.2.30 additional information generation of stable HS3STA knockdown A-549 cell line by shRNA resulting in in vitro metastasis capability of A549 cell line 761220 2.8.2.30 T256A the mutant shows 101.5% activity compared to the wild type enzyme 726389 2.8.2.30 T256E the mutant shows 13.1% activity compared to the wild type enzyme 726389 2.8.2.30 T256V the mutant shows 59.4% activity compared to the wild type enzyme 726389 2.8.2.30 W283A the mutant shows 7.6% activity compared to the wild type enzyme 726389