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{{enzyme
| Name = alginate synthase
| EC_number = 2.4.1.33
| CAS_number = 37257-31-1
| IUBMB_EC_number = 2/4/1/33
| GO_code = 0047643
| image = 
| width = 
| caption = 
}}
In [[enzymology]], an '''alginate synthase''' ({{EC number|2.4.1.33}}) is an [[enzyme]] that [[catalysis|catalyzes]] the [[chemical reaction]]

:GDP-D-mannuronate + (alginate)n <math>\rightleftharpoons</math> GDP + (alginate)n<sup>+</sup>1

Thus, the two [[substrate (biochemistry)|substrates]] of this enzyme are [[GDP-D-mannuronate]] and [[Alginate|(alginate)n]], whereas its two [[product (chemistry)|products]] are [[guanosine diphosphate|GDP]] and [[Alginate|(alginate)n+1]].

This enzyme belongs to the family of [[glycosyltransferase]]s, specifically the hexosyltransferases.  The systematic name of this enzyme class is '''GDP-D-mannuronate:alginate D-mannuronyltransferase'''. This enzyme is also called '''mannuronosyl transferase'''.  This enzyme participates in [[Fructose metabolism|fructose]] and [[Mannose metabolism|mannose metabolism]].

==References==
{{reflist|1}}
* {{cite journal | author = Lin TY, Hassid WZ | date = 1966 | title = Pathway of algnic acid synthesis in the marine brown alga, Fucus gardneri Silva | journal = J. Biol. Chem.  | volume = 241 | pages = 5284&ndash;97  | pmid = 5954796 | issue = 22 }}

{{enzyme-stub}}

[[Category:EC 2.4.1]]
[[Category:Enzymes of unknown structure]]