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Literature summary extracted from

  • Minamiura, N.; Matoba, K.; Nishinaka, H.; Yamamoto, T.
    Identity of alpha-glucosidase of human kidney with urine F-1 alpha-glucosidase (1982), J. Biochem., 91, 809-816.
    View publication on PubMed

Inhibitors

EC Number Inhibitors Comment Organism Structure
3.2.1.20 Hg2+ HgCl2 Homo sapiens
3.2.1.20 Nojirimycin
-
 Homo sapiens
3.2.1.20 PCMB
-
 Homo sapiens

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
3.2.1.20 0.15
-
 maltotriitol
-
 Homo sapiens

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
3.2.1.20 30000
-
 gel filtration Homo sapiens
3.2.1.20 33000
-
 1 * 33000, SDS-PAGE Homo sapiens

Organism

EC Number Organism UniProt Comment Textmining
3.2.1.20 Homo sapiens
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
3.2.1.20
-
 Homo sapiens

Source Tissue

EC Number Source Tissue Comment Organism Textmining
3.2.1.20 kidney
-
 Homo sapiens
-
3.2.1.20 urine
-
 Homo sapiens
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
3.2.1.20 23.5
-
-
 Homo sapiens

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.2.1.20 glycogen + H2O
-
 Homo sapiens alpha-D-glucose
-
 ?
3.2.1.20 maltose + H2O
-
 Homo sapiens alpha-D-glucose + D-glucose
-
 ?
3.2.1.20 maltotriitol + H2O
-
 Homo sapiens ?
-
 ?
3.2.1.20 starch + H2O
-
 Homo sapiens alpha-D-glucose
-
 ?

Subunits

EC Number Subunits Comment Organism
3.2.1.20 monomer 1 * 33000, SDS-PAGE Homo sapiens

Temperature Stability [°C]

EC Number Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
3.2.1.20 50
-
 15 min, stable up to Homo sapiens

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.2.1.20 4.6
-
-
 Homo sapiens
3.2.1.20 5.6
-
 hydrolysis of maltotriitol and potato starch Homo sapiens

pH Range

EC Number pH Minimum pH Maximum Comment Organism
3.2.1.20 4 7 pH 4.0: about 60% of maximal activity with potato starch as substrate, about 45% of maximal activity with maltotriitol as substrate, pH 7.0: about 70% of maximal activity with potato starch as substrate, about 65% of maximal activity with maltotriitol as substrate Homo sapiens

pH Stability

EC Number pH Stability pH Stability Maximum Comment Organism
3.2.1.20 5 9 4°C, 24 h, stable Homo sapiens