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{{enzyme
| Name = mannose isomerase
| EC_number = 5.3.1.7
| CAS_number = 9031-25-8
| IUBMB_EC_number = 5/3/1/7
| GO_code = 0050089
| image = 
| width = 
| caption = 
}}
In [[enzymology]], a '''mannose isomerase''' ({{EC number|5.3.1.7}}) is an [[enzyme]] that [[catalysis|catalyzes]] the [[chemical reaction]]

:D-mannose <math>\rightleftharpoons</math> D-fructose

Hence, this enzyme has one [[substrate (biochemistry)|substrate]], [[D-mannose]], and one [[product (chemistry)|product]], [[D-fructose]].

This enzyme belongs to the family of [[isomerase]]s, specifically those intramolecular [[oxidoreductase]]s interconverting [[aldose]]s and [[ketose]]s.  The systematic name of this enzyme class is '''D-mannose aldose-ketose-isomerase'''. Other names in common use include '''D-mannose isomerase''', and '''D-mannose ketol-isomerase'''.  This enzyme participates in [[Fructose metabolism|fructose]] and [[Mannose metabolism|mannose metabolism]]. 

==References==
{{reflist|1}}
* {{cite journal | author = Palleroni NJ and Doudoroff M | date = 1956 | title = Mannose isomerase of Pseudomonas saccharophila | journal = J. Biol. Chem.  | volume = 218 | pages = 535&ndash;548 | pmid=13278359}}

{{isomerase-stub}}

[[Category:EC 5.3.1]]
[[Category:Enzymes of unknown structure]]