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ENZYME entry: EC 5.1.3.37

Accepted Name
Mannuronan 5-epimerase.
Alternative Name(s)
Alginate epimerase.
C(5)-mannuronan epimerase.
Mannuronan C-5-epimerase.
Reaction catalysed
(Mannuronan)-beta-D-mannuronate <=> (alginate)-alpha-L-guluronate
Comment(s)
  • The enzyme epimerizes the C-5 bond in some beta-D-mannuronate residues in mannuronan, converting them to alpha-L-guluronate residues, and thus modifying the mannuronan into alginate.
  • It is found in brown algae and alginate-producing bacterial species from the Pseudomonas and Azotobacter genera.
Cross-references
BRENDA5.1.3.37
EC2PDB5.1.3.37
ExplorEnz5.1.3.37
PRIAM enzyme-specific profiles5.1.3.37
KEGG Ligand Database for Enzyme Nomenclature5.1.3.37
IUBMB Enzyme Nomenclature5.1.3.37
IntEnz5.1.3.37
MEDLINEFind literature relating to 5.1.3.37
MetaCyc5.1.3.37
Rhea expert-curated reactions5.1.3.37
UniProtKB/Swiss-Prot
Q44494, ALGE1_AZOVI;  Q44495, ALGE2_AZOVI;  Q44496, ALGE3_AZOVI;  
Q44493, ALGE4_AZOVI;  Q44492, ALGE5_AZOVI;  Q9ZFH0, ALGE6_AZOVI;  
Q9ZFG9, ALGE7_AZOVI;  P70805, ALGG_AZOVI;  Q51371, ALGG_PSEAE;  
P59828, ALGG_PSEFL;  Q88NC9, ALGG_PSEPK;  Q887Q3, ALGG_PSESM;  

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