2.5.1.126: norspermine synthase
This is an abbreviated version!
For detailed information about norspermine synthase, go to the full flat file.
Reaction
Synonyms
long-chain polyamine synthase, PaSpeE
ECTree
2.5.1.126 norspermine synthaseAdvanced search results
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Substrates Products on EC 2.5.1.126 - norspermine synthase
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SUBSTRATE 
PRODUCT
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate)
(Substrate)
LITERATURE
(Substrate)
(Substrate)
COMMENTARY
(Product)
(Product)
LITERATURE
(Product)
(Product)
Reversibility
r=reversible
ir=irreversible
?=not specified
r=reversible
ir=irreversible
?=not specified
2 S-adenosyl 3-(methylthio)propylamine + caldopentamine
S-methyl-5'-thioadenosine + caldoheptamine
S-adenosyl 3-(methylthio)propylamine + caldopentamine
S-methyl-5'-thioadenosine + caldohexamine
S-adenosyl 3-(methylthio)propylamine + norspermidine
S-methyl-5'-thioadenosine + norspermine
S-adenosyl 3-(methylthio)propylamine + norspermine
S-methyl-5'-thioadenosine + caldopentamine
S-adenosyl 3-(methylthio)propylamine + propane-1,3-diamine
S-methyl-5'-thioadenosine + norspermidine
S-adenosyl 3-(methylthio)propylamine + spermidine
S-methyl-5'-thioadenosine + thermospermine + H+
2 S-adenosyl 3-(methylthio)propylamine + caldopentamine
S-methyl-5'-thioadenosine + caldoheptamine
-
-
-
?
2 S-adenosyl 3-(methylthio)propylamine + caldopentamine
S-methyl-5'-thioadenosine + caldoheptamine
the long-chain polyamines stabilize double-stranded DNA at high temperatures
-
-
?
2 S-adenosyl 3-(methylthio)propylamine + caldopentamine
S-methyl-5'-thioadenosine + caldoheptamine
-
-
-
?
2 S-adenosyl 3-(methylthio)propylamine + caldopentamine
S-methyl-5'-thioadenosine + caldoheptamine
the long-chain polyamines stabilize double-stranded DNA at high temperatures
-
-
?
S-adenosyl 3-(methylthio)propylamine + caldopentamine
S-methyl-5'-thioadenosine + caldohexamine
-
-
-
?
S-adenosyl 3-(methylthio)propylamine + caldopentamine
S-methyl-5'-thioadenosine + caldohexamine
the long-chain polyamines stabilize double-stranded DNA at high temperatures
-
-
?
S-adenosyl 3-(methylthio)propylamine + caldopentamine
S-methyl-5'-thioadenosine + caldohexamine
-
-
-
?
S-adenosyl 3-(methylthio)propylamine + caldopentamine
S-methyl-5'-thioadenosine + caldohexamine
the long-chain polyamines stabilize double-stranded DNA at high temperatures
-
-
?
S-adenosyl 3-(methylthio)propylamine + norspermidine
S-methyl-5'-thioadenosine + norspermine
-
-
-
?
S-adenosyl 3-(methylthio)propylamine + norspermidine
S-methyl-5'-thioadenosine + norspermine
the long-chain polyamines stabilize double-stranded DNA at high temperatures
-
-
?
S-adenosyl 3-(methylthio)propylamine + norspermidine
S-methyl-5'-thioadenosine + norspermine
-
-
-
?
S-adenosyl 3-(methylthio)propylamine + norspermine
S-methyl-5'-thioadenosine + caldopentamine
the long-chain polyamines stabilize double-stranded DNA at high temperatures
-
-
?
S-adenosyl 3-(methylthio)propylamine + norspermine
S-methyl-5'-thioadenosine + caldopentamine
at 4% of the specific activity compared to norspermidine
-
-
?
S-adenosyl 3-(methylthio)propylamine + propane-1,3-diamine
S-methyl-5'-thioadenosine + norspermidine
the long-chain polyamines stabilize double-stranded DNA at high temperatures
-
-
?
S-adenosyl 3-(methylthio)propylamine + propane-1,3-diamine
S-methyl-5'-thioadenosine + norspermidine
at 64% of the specific activity compared to norspermidine
-
-
?
S-adenosyl 3-(methylthio)propylamine + spermidine
S-methyl-5'-thioadenosine + thermospermine + H+
spermidine is not the most preferred substrate for any enzyme. Nevertheless, in vivo the enzyme can be responsible for the synthesis of thermospermine, if spermidine is present in a high concentration in competition to other accepted polyamines
-
-
?
S-adenosyl 3-(methylthio)propylamine + spermidine
S-methyl-5'-thioadenosine + thermospermine + H+
at 37% of the specific activity compared to norspermidine
-
-
?
