passages.id: split_5_test_1770_passage
passages.type: progene_text
passages.text: We have identified and characterized an N-acetylgalactosamine-4-O-sulfotransferase designated dermatan-4-sulfotransferase-1 ( D4ST-1 ) ( GenBank ( TM ) accession number AF401222 ) based on its homology to HNK-1 sulfotransferase .