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2.5.1.23: sym-norspermidine synthase

This is an abbreviated version!
For detailed information about sym-norspermidine synthase, go to the full flat file.

Reaction

S-adenosyl 3-(methylsulfanyl)propylamine
+
propane-1,3-diamine
=
S-methyl-5'-thioadenosine
+
bis(3-aminopropyl)amine

Synonyms

HbSpe 1, propylaminc transferase

ECTree

     2 Transferases
         2.5 Transferring alkyl or aryl groups, other than methyl groups
             2.5.1 Transferring alkyl or aryl groups, other than methyl groups (only sub-subclass identified to date)
                2.5.1.23 sym-norspermidine synthase

Temperature Range

Temperature Range on EC 2.5.1.23 - sym-norspermidine synthase

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TEMPERATURE RANGE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
50 - 110
-
50°C: about 40% of maximal activity, 110°C: about 45% of maximal activity, 120°C: about 20% of maximal activity
60 - 120
-
less than 5% of maximal activity up to 45°C. 60°C: about 15% of maximal activity, 75°C: about 50% of maximal activity, 120°C: about 50% of maximal activity