passages.id: split_5_test_1774_passage
passages.type: progene_text
passages.text: D4ST-1 shows a strong preference in vitro for sulfate transfer to IdoUAalpha1 , 3GalNAcbeta1 , 4 that is flanked by GlcUAbeta1 , 3GalNAcbeta1 , 4 as compared with IdoUAalpha1 , 3GalNAcbeta1 , 4 flanked by IdoUAalpha1 , 3GalNAcbeta1 , 4 .