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Spermidine Synthase MeSH Descriptor Data 2025


MeSH Heading
Spermidine Synthase
Tree Number(s)
D08.811.913.225.825
Unique ID
D011436
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D011436
Annotation
do not confuse with SPERMINE SYNTHASE
Scope Note
An enzyme that catalyzes the transfer of the propylamine moiety from 5'-deoxy-5'-S-(3-methylthiopropylamine)sulfonium adenosine to putrescine in the biosynthesis of spermidine. The enzyme has a molecular weight of approximately 73,000 kDa and is composed of two subunits of equal size.
Entry Term(s)
Aminopropyltransferase
Propylamine Transferase
Putrescine Aminopropyltransferase
Spermidine Synthetase
Registry Numbers
EC 2.5.1.16
Related Numbers
37277-82-0
CAS Type 1 Name
S-Adenosylmethioninamine:putrescine 3-aminopropyltransferase
Previous Indexing
Propylamines (1972-1974)
Spermidine (1972-1974)
Transferases (1972-1974)
Public MeSH Note
97; was PROPYLAMINE TRANSFERASE 1975-96 (see under TRANSFERASES 1975-90); SPERMIDINE SYNTHASE was see PROPYLAMINE TRANSFERASE 1975-96
History Note
97; was PROPYLAMINE TRANSFERASE 1975-96 (see under TRANSFERASES 1975-90); SPERMIDINE SYNTHASE was see PROPYLAMINE TRANSFERASE 1975-96
Date Established
1991/01/01
Date of Entry
1974/11/19
Revision Date
2004/07/07
Spermidine Synthase Preferred
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