KEGG   REACTION: R01920
Entry
R01920                      Reaction                               
Name
S-adenosylmethioninamine:putrescine 3-aminopropyltransferase
Definition
S-Adenosylmethioninamine + Putrescine <=> 5'-Methylthioadenosine + Spermidine
Equation
C01137 + C00134 <=> C00170 + C00315
Reaction class
RC00021  C00170_C01137
RC00053  C00134_C00315
Enzyme
2.5.1.16
Pathway
rn00270  Cysteine and methionine metabolism
rn00330  Arginine and proline metabolism
rn00480  Glutathione metabolism
rn01100  Metabolic pathways
Module
M00034  Methionine salvage pathway
M00133  Polyamine biosynthesis, arginine => agmatine => putrescine => spermidine
Brite
Enzymatic reactions [BR:br08201]
 2. Transferase reactions
  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)
    2.5.1.16
     R01920  S-Adenosylmethioninamine + Putrescine <=> 5'-Methylthioadenosine + Spermidine
Orthology
K00797  spermidine synthase [EC:2.5.1.16]
K24034  spermidine synthase / saccharopine dehydrogenase (NADP+, L-glutamate-forming) [EC:2.5.1.16 1.5.1.10]
Other DBs
RHEA: 12724
LinkDB

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