KEGG   ENZYME: 3.1.3.79Help
Entry
EC 3.1.3.79                 Enzyme                                 

Name
mannosylfructose-phosphate phosphatase;
mannosylfructose-6-phosphate phosphatase;
MFPP
Class
Hydrolases;
Acting on ester bonds;
Phosphoric-monoester hydrolases
BRITE hierarchy
Sysname
beta-D-fructofuranosyl-alpha-D-mannopyranoside-6F-phosphate phosphohydrolase
Reaction(IUBMB)
beta-D-fructofuranosyl-alpha-D-mannopyranoside 6F-phosphate + H2O = beta-D-fructofuranosyl-alpha-D-mannopyranoside + phosphate [RN:R08982]
Reaction(KEGG)
Substrate
beta-D-fructofuranosyl-alpha-D-mannopyranoside 6F-phosphate [CPD:C18050];
H2O [CPD:C00001]
Product
beta-D-fructofuranosyl-alpha-D-mannopyranoside [CPD:C18068];
phosphate [CPD:C00009]
Comment
This enzyme, from the soil proteobacterium and plant pathogen Agrobacterium tumefaciens strain C58, requires Mg2+ for activity. Mannosylfructose is the major endogenous osmolyte produced by several alpha-proteobacteria in response to osmotic stress and is synthesized by the sequential action of EC 2.4.1.246 (mannosylfructose-phosphate synthase) followed by this enzyme. While mannosylfructose 6-phosphate is the physiological substrate, the enzyme can use sucrose 6-phosphate very efficiently. The F in mannosylfructose 6F-phosphate is used to indicate that the fructose residue of sucrose carries the substituent.
History
EC 3.1.3.79 created 2009
Orthology
K13086  
mannosylfructose-6-phosphate phosphatase
Genes
ATU: 
Taxonomy
Reference
1  [PMID:17728402]
  Authors
Torres LL, Salerno GL
  Title
A metabolic pathway leading to mannosylfructose biosynthesis in Agrobacterium tumefaciens uncovers a family of mannosyltransferases.
  Journal
Proc. Natl. Acad. Sci. U. S. A. 104 (2007) 14318-23.
  Sequence
[atu:Atu0660]
Other DBs
ExplorEnz - The Enzyme Database: 
IUBMB Enzyme Nomenclature: 
ExPASy - ENZYME nomenclature database: 
BRENDA, the Enzyme Database: 

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