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Fucose enzymic isomerization

These enzymes vary widely in secondary and tertiary structure.1273 Mannose-6-phosphate isomerase is a 45 kDa Zn2+-containing monomer. The larger 65 kDa L-fucose isomerase, which also acts on D-arabinose, is a hexameric Mn2+-dependent enzyme.1273 L-Arabinose isomerase of E. coli, which interconverts arabinose and L-ribulose, is a hexamer of 60-kDa subunits128 while the D-xylose isomerase of Streptomyces is a tetramer of 43-kDa subunits.129 The nonenzymatic counterpart of the isomerization catalyzed by the enzyme is the base-catalyzed Lobry deBruyn-Alberda van Ekenstein transformation (Eq. 13-25).130... [Pg.693]

See other pages where Fucose enzymic isomerization is mentioned: [Pg.295]    [Pg.247]    [Pg.362]    [Pg.174]    [Pg.46]    [Pg.294]    [Pg.868]    [Pg.46]    [Pg.237]   
See also in sourсe #XX -- [ Pg.36 , Pg.46 ]



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