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ENZYME entry: EC

Accepted Name
Reaction catalysed
Endohydrolysis of 1,4-beta-D-linkages between D-galactose 4-sulfate and 3,6-anhydro-D-galactose-2-sulfate in iota-carrageenans
  • The main products of hydrolysis are iota-neocarratetraose sulfate and iota-neocarrahexaose sulfate.
  • Iota-neocarraoctaose is the shortest substrate oligomer that can be cleaved.
  • Unlike EC and EC, this enzyme proceeds with inversion of the anomeric configuration.
  • Iota-carrageenan differs from kappa-carrageenan by possessing a sulfo group on O-2 of the 3,6-anhydro-D-galactose residues, in addition to that present in the kappa-compound on O-4 of the D-galactose residues.
PRIAM enzyme-specific profiles3.2.1.157
KEGG Ligand Database for Enzyme Nomenclature3.2.1.157
IUBMB Enzyme Nomenclature3.2.1.157
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All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 3.2.1.-
All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 3.2.-.-
All ENZYME / UniProtKB/Swiss-Prot entries corresponding to 3.-.-.-