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EC 2.8.2.35 Details
EC number
2.8.2.35
Accepted name
dermatan 4-sulfotransferase
Reaction
3′-phospho-5′-adenylyl sulfate + [dermatan]-N-acetyl-D-galactosamine = adenosine 3′,5′-bisphosphate + [dermatan]-4-O-sulfo-N-acetyl-D-galactosamine
Other name(s)
dermatan-specific N-acetylgalactosamine 4-O-sulfotransferase, dermatan-4-sulfotransferase-1, dermatan-4-sulfotransferase 1, D4ST-1, dermatan N-acetylgalactosamine 4-O-sulfotransferase, CHST14 protein, CHST14, 3′-phospho-5′-adenylyl sulfate:[dermatan]-N-acetyl-D-galactosamine 4-sulfotransferase
Systematic name
3′-phospho-5′-adenylyl sulfate:[dermatan]-N-acetyl-D-galactosamine 4-sulfonotransferase
Comment
The sulfation takes place at the 4-position of N-acetyl-D-galactosamine residues of dermatan. D4ST-1 shows a strong preference in vitro for sulfate transfer to IdoUAα(1,3)GalNAcβ(1,4) that is flanked by GlcUAβ(1,3)GalNAcβ(1,4) as compared with IdoUAα(1,3)GalNAcβ(1,4) flanked by IdoUAα(1,3)GalNAcβ(1,4) [1].
History
created 2010
EC Tree
2.8.2.12 created 1972, deleted 2001
2.8.3.4 created 1961, deleted 1964