keratan sulfotransferase EC#: 2.8.2.21; ChemWhat Code: 1379104
| Product Name | keratan sulfotransferase | 
| Example Structure | ![]()  | 
| Synonyms | 3′-phosphoadenylyl keratan sulfotransferase, 3′-phosphoadenylylsulfate:keratan sulfotransferase, CHST1, Gal-6-sulfotransferase, galactose-6-sulfotransferase, GlcNAc 6-O-sulfotransferase, GlcNAc 6-sulfotransferase, GlcNAc sulfotransferase, GlcNAc6ST, Gn6ST, GST, GST3, GST4alpha, GST4beta, keratan sulfate 6-O-sulfotransferase, keratan sulfate Gal-6-sulfotransferase, keratan sulfate galactose 6-O-sulfotransferase, keratan sulfate sulfotransferase, KS6ST, KSG6ST, KSGal6ST, KSST, LSST, N-acetylgalactosamine 6-O-sulfotransferase, N-acetylglucosaminyl sulfotransferase, sulfotransferase, keratan | 
| EC Number | 2.8.2.21 | 
| CAS Registry Number | 62168-79-0 | 
| Comments | Sulfation takes place at the 6-position of galactosyl and?N-acetylglucosaminyl residues in keratan, a proteoglycan. Not identical with EC?2.8.2.5?(chondroitin 4-sulfotransferase), EC?2.8.2.6?(choline sulfotransferase) or EC?2.8.2.17?(chondroitin 6-sulfotransferase). | 
| Cofactor | |
| History | |
| Reactions | 3′-phosphoadenylyl sulfate + keratan = adenosine 3′,5′-bisphosphate + keratan 6′-sulfate. | 
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