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  • 172426 - Glucoamylase, Rhizopus sp.

172426 Sigma-Aldrich

Glucoamylase, Rhizopus sp.

Glucoamylase is a multi-domain enzyme that belongs to the glycosyl hydrolase 15 family. Useful for the enzymatic determination of starch.

Synonym: Glucan 1,4-α-glucosidase, Glucoamylase, Amyloglucosidase, γ-Amylase, Lysosomal α-glucosidase, exo-4,7-α-glucosidase, Glucoamylase, Rhizopus sp.



Related Categories Application Index, Biochemicals and Reagents, Enzymes, Inhibitors, and Substrates, Protein & Nucleic Acid Isolation
Quality Level   100
form   lyophilized
specific activity activity   ≥10 unit/mg solid
  ≥20 units/mg protein
mfr. no.   Calbiochem®
storage condition   OK to freeze
storage conditions   -20C
solubility   aqueous buffer: 1 mg/mL
  water: 1 mg/mL
shipped in   wet ice


General description

Native glucoamylase from Rhizopus species. Glucoamylase is a multi-domain enzyme that belongs to the glycosyl hydrolase 15 family. It catalyzes the hydrolysis of 1,4-linked α-D-glucose residues in glucosylpolysaccharides, liberating glucose units. Useful for the enzymatic determination of starch.


5 ku in Glass bottle


Toxicity: Standard Handling (A)

Unit Definition

One unit is defined as the amount of enzyme that will liberate 1 µmol glucose from maltopentaose per min at 37°C, pH 6.0.


Following reconstitution, aliquot and freeze (-20°C). Stock solutions are stable for up to 3 months at -20°C. Avoid freeze/thaw cycles of solutions.

Other Notes

Hiromi, K., et al. 1973. Biochim. Biophys. Acta302, 362.
Kelly, J.J. and Alpers, D.H. 1973. Biochim. Biophys. Acta315, 113.
Jeffrey, P.L., et al. 1970. Biochemistry9, 1403.
Brown, B. and Brown, D.H. 1965. Biochim. Biophys. Acta110, 124.
Tsujisaka, Y., et al. 1958. Nature181, 770.
Miller, K.D. and Copeland, W.H. 1956. Biochim. Biophys. Acta22, 193.
French, D. and Knapp, D.W. 1950. J. Biol. Chem.187, 463.

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