Any feedback?
Please rate this page
(literature.php)
(0/150)

BRENDA support

Literature summary for 3.2.1.51 extracted from

  • Alam, T.; Balasubramanian, A.S.
    The purification, properties and characterization of three forms of alpha-L-fucosidase from monkey brain (1978), Biochim. Biophys. Acta, 524, 373-384.
    View publication on PubMed

Activating Compound

Activating Compound Comment Organism Structure
bovine serum albumin increases acitivity up to 100% Macaca radiata

Inhibitors

Inhibitors Comment Organism Structure
4-chloromercuribenzoate 50% inhibition at 0.0015 mM, totally reversal by addition of 4 mM DTT Macaca radiata
Ag2+ complete inactivation at 1 mM Macaca radiata
alpha-L-fucose competitive inhibition, Ki: 0.275 mM Macaca radiata
Cu2+ complete inactivation at 1 mM Macaca radiata
ethanolamine strong inhibition Macaca radiata
Hg2+ complete inhibition at 1 mM Macaca radiata
iodoacetamide 30% inhibition at 1 mM Macaca radiata
N-ethylmaleimide 30% inhibition at 1 mM Macaca radiata

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.22
-
4-nitrophenyl-alpha-L-fucopyranoside
-
Macaca radiata

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
73500
-
4 * 73500, SDS-PAGE, monomers and dimers also active Macaca radiata
285000
-
gel filtration Macaca radiata

Organism

Organism UniProt Comment Textmining
Macaca radiata
-
-
-

Purification (Commentary)

Purification (Comment) Organism
to homogeneity, chromatography steps Macaca radiata

Source Tissue

Source Tissue Comment Organism Textmining
brain
-
Macaca radiata
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
4-nitrophenyl-alpha-L-fucopyranoside + H2O
-
Macaca radiata 4-nitrophenol + alpha-L-fucose
-
?

Subunits

Subunits Comment Organism
tetramer 4 * 73500, SDS-PAGE, monomers and dimers also active Macaca radiata

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
50 55 triphasic heat inactivation due to 3 different heat sensitive forms, forms I and II: less heat sensitive, form III: most heat sensitive Macaca radiata

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
5
-
slight different pH-optima for monomeric, dimeric and tetrameric forms Macaca radiata

pH Stability

pH Stability pH Stability Maximum Comment Organism
5.5
-
instability below Macaca radiata