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Literature summary for 2.5.1.45 extracted from

  • Ober, D.; Harms, R.; Witte, L.; Hartmann, T.
    Molecular evolution by change of function. Alkaloid-specific homospermidine synthase retains all properties of deoxyhypusine synthase except binding the eIF5A precursor protein (2003), J. Biol. Chem., 278, 12805-12812.
    View publication on PubMed

KM Value [mM]

KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
additional information
-
additional information
-
Senecio vernalis

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
41000
-
x * 41000, SDS-PAGE Senecio vernalis

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
putrescine + spermine Senecio vernalis
-
sym-homospermine + propane-1,3-diamine
-
?

Organism

Organism UniProt Comment Textmining
Senecio vernalis
-
-
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
putrescine + spermidine
-
Senecio vernalis N-(4-aminobutyl)butane-1,4-diamine + propane-1,3-diamine
-
?
putrescine + spermine
-
Senecio vernalis sym-homospermine + propane-1,3-diamine
-
?

Subunits

Subunits Comment Organism
? x * 41000, SDS-PAGE Senecio vernalis

Turnover Number [1/s]

Turnover Number Minimum [1/s] Turnover Number Maximum [1/s] Substrate Comment Organism Structure
0.0032
-
putrescine + spermidine Senecio vernalis

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
9.3
-
-
Senecio vernalis

pH Range

pH Minimum pH Maximum Comment Organism
8.7 9.9 about 55% of maximal activity at pH 8.7 and at pH 9.9 Senecio vernalis