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Literature summary extracted from

  • Knott, J.M.; Roemer, P.; Sumper, M.
    Putative spermine synthases from Thalassiosira pseudonana and Arabidopsis thaliana synthesize thermospermine rather than spermine (2007), FEBS Lett., 581, 3081-3086.
    View publication on PubMed

Cloned(Commentary)

EC Number Cloned (Comment) Organism
2.5.1.79 expression in Escherichia coli Thalassiosira pseudonana
2.5.1.79 expression in Escherichia coli Arabidopsis thaliana

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
2.5.1.79 48000
-
4 * 48000, calculated, x * 50000, SDS-PAGE Thalassiosira pseudonana
2.5.1.79 50000
-
4 * 48000, calculated, x * 50000, SDS-PAGE Thalassiosira pseudonana
2.5.1.79 200000
-
gel filtration Thalassiosira pseudonana

Organism

EC Number Organism UniProt Comment Textmining
2.5.1.79 Arabidopsis thaliana Q9S7X6 isoform Acl5
-
2.5.1.79 Thalassiosira pseudonana
-
-
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
2.5.1.79 S-adenosyl-L-methioninamine + spermidine
-
Arabidopsis thaliana 5'-methylthioadenosine + thermospermine
-
?
2.5.1.79 S-adenosyl-L-methioninamine + spermidine
-
Thalassiosira pseudonana 5'-methylthioadenosine + thermospermine sole product, no synthesis of spermine ?

Subunits

EC Number Subunits Comment Organism
2.5.1.79 tetramer 4 * 48000, calculated, x * 50000, SDS-PAGE Thalassiosira pseudonana