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Literature summary for 4.2.1.24 extracted from

  • Stolz, M.; Dörnemann, D.
    Purification, metal cofactor, N-terminal sequence and subunit composition of a 5-aminolevulinic acid dehydratase from the unicellular green alga Scenedesmus obliquus, mutant C-2A' (1996), Eur. J. Biochem., 236, 600-608.
    View publication on PubMed

General Stability

General Stability Organism
EGTA prevents proteolysis Tetradesmus obliquus

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
0.26
-
5-aminolevulinate
-
Tetradesmus obliquus

Metals/Ions

Metals/Ions Comment Organism Structure
Ca2+ about 80% reactivation of the demetalled protein Tetradesmus obliquus
Co2+ about 70% reactivation of the demetalled protein Tetradesmus obliquus
Fe2+ about 70% reactivation of the demetalled protein Tetradesmus obliquus
Mg2+ metal cofactor Tetradesmus obliquus
Mn2+ can reactivate the demetallated protein Tetradesmus obliquus
Ni(2+) about 70% reactivation of the demetalled protein Tetradesmus obliquus

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
42000
-
6 * 42000, SDS-PAGE Tetradesmus obliquus
282000
-
gel filtration Tetradesmus obliquus

Organism

Organism UniProt Comment Textmining
Tetradesmus obliquus
-
mutant strain C-2A'
-

Purification (Commentary)

Purification (Comment) Organism
-
Tetradesmus obliquus

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
-
Tetradesmus obliquus

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
5-aminolevulinate + 5-aminolevulinate
-
Tetradesmus obliquus porphobilinogen + 2 H2O
-
?

Subunits

Subunits Comment Organism
hexamer 6 * 42000, SDS-PAGE Tetradesmus obliquus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
8.3
-
-
Tetradesmus obliquus

pH Stability

pH Stability pH Stability Maximum Comment Organism
9
-
highest stability at Tetradesmus obliquus