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Literature summary for 1.4.1.1 extracted from

  • El-Awamry, Z.A.; El-Rahmany, T.A.
    Partial purification and properties of Cunninghamella elegans L-alanine dehydrogenase (1989), Zentralbl. Mikrobiol., 144, 231-240.
    View publication on PubMed

General Stability

General Stability Organism
dialysis against 0.02 M Tris-HCl, pH 8.4, 75% loss of activity after 3 h, complete loss of activity after 24 h Cunninghamella elegans
freezing and thawing completely destroys activity Cunninghamella elegans

Inhibitors

Inhibitors Comment Organism Structure
EDTA
-
Cunninghamella elegans
iodoacetate
-
Cunninghamella elegans
Zn2+
-
Cunninghamella elegans

Metals/Ions

Metals/Ions Comment Organism Structure
Ca2+ activation Cunninghamella elegans
Co2+ activation Cunninghamella elegans
Fe2+ activation Cunninghamella elegans
Mg2+ activation Cunninghamella elegans
Mn2+ activation Cunninghamella elegans

Organism

Organism UniProt Comment Textmining
Cunninghamella elegans
-
-
-

Purification (Commentary)

Purification (Comment) Organism
partial Cunninghamella elegans

Source Tissue

Source Tissue Comment Organism Textmining
mycelium
-
Cunninghamella elegans
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
-
Cunninghamella elegans

Storage Stability

Storage Stability Organism
4°C, 0.02 M Tris-HCl buffer, pH 8.4, stable for 1 d, then the activity decreases gradually till the sixth day at which complete loss of activity occurs Cunninghamella elegans

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
L-Ala + H2O + NAD+ absolutely specific for L-Ala in oxidative deamination Cunninghamella elegans pyruvate + NH3 + NADH
-
r

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
40
-
-
Cunninghamella elegans

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
50
-
35% loss of activity after 10 min, 65% loss of activity after 20 min Cunninghamella elegans

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8
-
reductive amination Cunninghamella elegans
10
-
oxidative deamination Cunninghamella elegans

pH Range

pH Minimum pH Maximum Comment Organism
6.5 9 pH 6.5: about 30% of activity maximum, pH 9.0: about 55% of maximal activity, reductive amination Cunninghamella elegans
8 10.5 pH 8.0: about 60% of activity maximum, pH 10.5: about 80% of activity maximum, oxidative deamination Cunninghamella elegans

Cofactor

Cofactor Comment Organism Structure
NAD+
-
Cunninghamella elegans
NADH
-
Cunninghamella elegans