iota-carrageenase EC#: 3.2.1.157; ChemWhat Code: 1380067

Product Name iota-carrageenase
Example Structure Example Structure of iota-carrageenase EC#: 3.2.1.157
Synonyms Cgi, CgiA, CgiB_Ce, endo-type iota-carrageenase, iota-carrageenase, iotase
EC Number 3.2.1.157
CAS Registry Number
Comments The main products of hydrolysis are ¦É-neocarratetraose sulfate and ¦É-neocarrahexaose sulfate. ¦É-Neocarraoctaose is the shortest substrate oligomer that can be cleaved. Unlike EC?3.2.1.81, ¦Â-agarase and EC?3.2.1.83, ¦Ê-carrageenase, this enzyme proceeds with inversion of the anomeric configuration. ¦É-Carrageenan differs from ¦Ê-carrageenan by possessing a sulfo group on O-2 of the 3,6-anhydro-D-galactose residues, in addition to that present in the ¦Ê-compound on O-4 of the?D-galactose residues.
Cofactor
History
Reactions Endohydrolysis of 1,4-beta-D-linkages between D-galactose 4-sulfate and 3,6-anhydro-D-galactose-2-sulfate in iota-carrageenans.

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