IUBMB Enzyme Nomenclature


Accepted name: L-fucose mutarotase

Reaction: α-L-fucopyranose = β-L-fucopyranose

For diagram of reaction click here

Other name(s): FucU; fucose mutarotase; FucM

Systematic name: L-fucose 1-epimerase

Comments: This enzyme shows no 1-epimerase activity with D-glucose, L-rhamnose and D-fucose (cf. EC, aldose 1-epimerase) [1].

Links to other databases: BRENDA, EXPASY, KEGG, Metacyc, PDB, CAS registry number:


1. Ryu, K.S., Kim, C., Kim, I., Yoo, S., Choi, B.S. and Park, C. NMR application probes a novel and ubiquitous family of enzymes that alter monosaccharide configuration. J. Biol. Chem. 279 (2004) 25544-25548. [PMID: 15060078]

2. Park, D., Ryu, K.S., Choi, D., Kwak, J. and Park, C. Characterization and role of fucose mutarotase in mammalian cells. Glycobiology 17 (2007) 955-962. [PMID: 17602138]

[EC created 2014]

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