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Literature summary extracted from

  • Nelson, T.E.; Kolb, E.; Larner, J.
    Purification and properties of rabbit muscle amylo-1,6-glucosidase-oligo-1,4->1,4-transferase (1969), Biochemistry, 8, 1419-1428.
    View publication on PubMed

Inhibitors

EC Number Inhibitors Comment Organism Structure
3.2.1.33 2-(N-morpholino)ethanesulfonic acid
-
Oryctolagus cuniculus
3.2.1.33 Amine protonated, hydroxylalkyl-substituted, noncompetitive, mechanism of inhibition Oryctolagus cuniculus
3.2.1.33 cationic buffer
-
Oryctolagus cuniculus
3.2.1.33 choline very poor inhibitor Oryctolagus cuniculus
3.2.1.33 diethanolamine
-
Oryctolagus cuniculus
3.2.1.33 ethanolamine
-
Oryctolagus cuniculus
3.2.1.33 ethylamine
-
Oryctolagus cuniculus
3.2.1.33 glycylglycine no inhibition at 0.01 or 0.05 M Oryctolagus cuniculus
3.2.1.33 hydroxylamine
-
Oryctolagus cuniculus
3.2.1.33 imidazole
-
Oryctolagus cuniculus
3.2.1.33 additional information inhibition mechanism Oryctolagus cuniculus
3.2.1.33 N-2-Hydroxyethylpiperazine-N'-2-ethanesulfonic acid slight inhibition Oryctolagus cuniculus
3.2.1.33 N-Tris(hydroxymethyl)methyl-2-aminoethanesulfonic acid slight inhibition Oryctolagus cuniculus
3.2.1.33 NH4+ slight inhibition Oryctolagus cuniculus
3.2.1.33 taurine slight inhibition Oryctolagus cuniculus
3.2.1.33 triethylamine very poor inhibitor Oryctolagus cuniculus
3.2.1.33 Tris
-
Oryctolagus cuniculus

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
3.2.1.33 additional information
-
additional information
-
Oryctolagus cuniculus
3.2.1.33 0.063
-
glycogen phosphorylase limit dextrin
-
Oryctolagus cuniculus

Organism

EC Number Organism UniProt Comment Textmining
3.2.1.33 Oryctolagus cuniculus
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
3.2.1.33 glycogen debranching enzyme Oryctolagus cuniculus

Source Tissue

EC Number Source Tissue Comment Organism Textmining
3.2.1.33 muscle
-
Oryctolagus cuniculus
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
3.2.1.33 8.3
-
-
Oryctolagus cuniculus
3.2.1.33 9.5
-
-
Oryctolagus cuniculus

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.2.1.33 63-alpha-glucosyl maltotetraose + H2O branched pentasaccharide "fast B5" Oryctolagus cuniculus maltotetraose + D-glucose
-
r
3.2.1.33 alpha-(1-6)-glucosyl cyclohexaamylose + H2O 6-alpha-glucosyl alpha-Schardinger dextrin, cyclodextrin Oryctolagus cuniculus cyclohexaamylose + D-glucose alpha-Schardinger dextrin r
3.2.1.33 amylopectin + H2O very poor substrate Oryctolagus cuniculus amylopectin + D-glucose
-
r
3.2.1.33 glycogen + H2O rabbit liver glycogen: slowly Oryctolagus cuniculus glycogen + D-glucose
-
r
3.2.1.33 glycogen phosphorylase limit dextrin + H2O
-
Oryctolagus cuniculus ?
-
?
3.2.1.33 glycogen phosphorylase-limit dextrin + H2O
-
Oryctolagus cuniculus limit dextrin + D-glucose
-
r

Synonyms

EC Number Synonyms Comment Organism
3.2.1.33 glycogen debranching system EC 3.2.1.33 found in mammals and yeast is in a single polypeptide chain containing two active centres. The other activity is similar to that of EC 2.4.1.25, 4-alpha-glucanotransferase, which acts on the glycogen phosphorylase limit dextrin chains to expose the single glucose residues, which the 6-alpha-glucosidase activity can hydrolyse. Together, these two activities constitute the glycogen debranching system Oryctolagus cuniculus

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.2.1.33 6
-
phosphate-citrate buffer Oryctolagus cuniculus
3.2.1.33 6.6
-
anionic buffer, substrate: glycogen phosphorylase limit dextrin Oryctolagus cuniculus
3.2.1.33 6.6
-
imidazole buffer Oryctolagus cuniculus
3.2.1.33 7.2
-
cationic buffer, substrate: glycogen phosphorylase limit dextrin Oryctolagus cuniculus

pH Range

EC Number pH Minimum pH Maximum Comment Organism
3.2.1.33 5 8
-
Oryctolagus cuniculus