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Literature summary extracted from

  • Satyanarayan, V.; Nair, P.M.
    Purification and characterization of glutamate decarboxylase from Solanum tuberosum (1985), Eur. J. Biochem., 150, 53-60.
    View publication on PubMed

General Stability

EC Number General Stability Organism
4.1.1.15 inactivation by repeated freezing and thawing Solanum tuberosum

Inhibitors

EC Number Inhibitors Comment Organism Structure
4.1.1.15 3-Mercaptopropionic acid
-
 Solanum tuberosum
4.1.1.15 5,5'-dithiobis(2-nitrobenzoate)
-
 Solanum tuberosum
4.1.1.15 Cu2+
-
 Solanum tuberosum
4.1.1.15 Fe2+
-
 Solanum tuberosum
4.1.1.15 Hg2+
-
 Solanum tuberosum
4.1.1.15 L-Thiomalic acid
-
 Solanum tuberosum
4.1.1.15 NEM
-
 Solanum tuberosum
4.1.1.15 p-hydroxymercuribenzoate
-
 Solanum tuberosum
4.1.1.15 Thioglycollic acid
-
 Solanum tuberosum

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
4.1.1.15 5.6
-
 L-Glu
-
 Solanum tuberosum

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
4.1.1.15 43000
-
 2 * 43000, SDS-PAGE Solanum tuberosum
4.1.1.15 91000
-
 gel filtration Solanum tuberosum

Organism

EC Number Organism UniProt Comment Textmining
4.1.1.15 Solanum tuberosum
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
4.1.1.15
-
 Solanum tuberosum

Source Tissue

EC Number Source Tissue Comment Organism Textmining

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
4.1.1.15 148.4
-
-
 Solanum tuberosum

Storage Stability

EC Number Storage Stability Organism
4.1.1.15 -20°C, stable for up to 1 month Solanum tuberosum

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
4.1.1.15 L-Glu
-
 Solanum tuberosum 4-Aminobutanoate + CO2
-
 ?

Subunits

EC Number Subunits Comment Organism
4.1.1.15 dimer 2 * 43000, SDS-PAGE Solanum tuberosum

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
4.1.1.15 37
-
-
 Solanum tuberosum

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
4.1.1.15 5.8
-
-
 Solanum tuberosum

pH Range

EC Number pH Minimum pH Maximum Comment Organism
4.1.1.15 4.5 7 about 25% of maximal activity at pH 4.5 and pH 7.0 Solanum tuberosum

Cofactor

EC Number Cofactor Comment Organism Structure
4.1.1.15 pyridoxal 5'-phosphate Km: 0.02 mM Solanum tuberosum
4.1.1.15 pyridoxal 5'-phosphate contains 2 mol of pyridoxal 5'-phosphate per mol of enzyme Solanum tuberosum