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Literature summary extracted from

  • Ober, D.; Hartmann, T.
    Deoxyhypusine synthase from tobacco. cDNA isolation, characterization, and bacterial expression of an enzyme with extended substrate specificity (1999), J. Biol. Chem., 274, 32040-32047.
    View publication on PubMed

Cloned(Commentary)

EC Number Cloned (Comment) Organism
2.5.1.46
-
Nicotiana tabacum

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
2.5.1.46 42074
-
4 * 42074, calculation from amino acid sequence Nicotiana tabacum
2.5.1.46 190000
-
gel filtration Nicotiana tabacum

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
2.5.1.46 [eIF5A-precursor]-lysine + spermidine Nicotiana tabacum
-
[eIF5A-precursor]-deoxyhypusine + propane-1,3-diamine
-
?

Organism

EC Number Organism UniProt Comment Textmining
2.5.1.46 Nicotiana tabacum Q9SC80
-
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
2.5.1.46 0.0034
-
with donor homospermidine Nicotiana tabacum
2.5.1.46 0.0091
-
with donor homospermidine Nicotiana tabacum
2.5.1.46 0.0211
-
with donor spermidine Nicotiana tabacum

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2.5.1.46 spermidine + putrescine
-
Nicotiana tabacum homospermidine + ?
-
?
2.5.1.46 [eIF5A-precursor]-lysine + homospermidine
-
Nicotiana tabacum [eIF5A-precursor]-deoxyhypusine + putrescine
-
?
2.5.1.46 [eIF5A-precursor]-lysine + spermidine
-
Nicotiana tabacum [eIF5A-precursor]-deoxyhypusine + propane-1,3-diamine
-
?
2.5.1.46 [eIF5A-precursor]-lysine + spermidine
-
Nicotiana tabacum [eIF5A-precursor]-deoxyhypusine + propane-1,3-diamine i.e. [eIF5A-precursor]-N6-(4-aminobutyl)lysine ?

Subunits

EC Number Subunits Comment Organism
2.5.1.46 tetramer 4 * 42074, calculation from amino acid sequence Nicotiana tabacum

Cofactor

EC Number Cofactor Comment Organism Structure
2.5.1.46 NAD+
-
Nicotiana tabacum
2.5.1.46 NADH
-
Nicotiana tabacum