EC Number | KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|---|
2.5.1.44 | 0.26 | - |
putrescine | - |
Blastochloris viridis | |
2.5.1.44 | 1.5 | - |
spermidine | in presence of 1 mM putrescine | Blastochloris viridis | |
2.5.1.44 | 1.7 | - |
putrescine | in presence of 1 mM spermidine | Blastochloris viridis | |
2.5.1.45 | 0.012 | - |
spermidine | at 0.1 mM putrescine | Eupatorium cannabinum | |
2.5.1.45 | 0.015 | - |
putrescine | at 0.1 mM spermidine | Eupatorium cannabinum |
EC Number | Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|---|
2.5.1.44 | 2 putrescine | Blastochloris viridis | - |
sym-homospermidine + NH3 | - |
? | |
2.5.1.45 | putrescine + spermine | Eupatorium cannabinum | - |
sym-homospermine + propane-1,3-diamine | - |
? |
EC Number | Organism | UniProt | Comment | Textmining |
---|---|---|---|---|
2.5.1.44 | Blastochloris viridis | - |
DSM 134 | - |
2.5.1.44 | Blastochloris viridis | - |
accession no. L77975 | - |
2.5.1.45 | Eupatorium cannabinum | - |
- |
- |
EC Number | Purification (Comment) | Organism |
---|---|---|
2.5.1.44 | partial | Blastochloris viridis |
2.5.1.45 | - |
Eupatorium cannabinum |
EC Number | Source Tissue | Comment | Organism | Textmining |
---|---|---|---|---|
2.5.1.44 | culture medium | - |
Blastochloris viridis | - |
2.5.1.45 | root | - |
Eupatorium cannabinum | - |
2.5.1.45 | tissue culture | - |
Eupatorium cannabinum | - |
EC Number | Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|---|
2.5.1.44 | 0.6 | 1.2 | - |
Blastochloris viridis |
2.5.1.45 | 0.0006 | - |
- |
Eupatorium cannabinum |
EC Number | Storage Stability | Organism |
---|---|---|
2.5.1.44 | -18°C, storage as acetone dry-powder, without significant loss of activity | Blastochloris viridis |
EC Number | Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|---|
2.5.1.44 | 2 putrescine | - |
Blastochloris viridis | sym-homospermidine + NH3 | - |
? | |
2.5.1.44 | putrescine + 1,3-diaminopropane | - |
Blastochloris viridis | homospermidine + spermidine | low but significant amounts of homologous polyamines in addition to homospermidine | ? | |
2.5.1.44 | putrescine + 1,6 diaminohexane | - |
Blastochloris viridis | homospermidine + N-(4-aminobutyl)-1,6-diaminohexane | low but significant amounts of homologous polyamines in addition to homospermidine | ? | |
2.5.1.44 | putrescine + 1,7-diaminoheptane | - |
Blastochloris viridis | homospermidine + N-(4-aminobutyl)-1,7-diaminoheptane | low but significant amounts of homologous polyamines in addition to homospermidine | ? | |
2.5.1.44 | putrescine + cadaverine | - |
Blastochloris viridis | homospermidine + N-(4-aminobutyl)-1,5-diaminopentane | low but significant amounts of homologous polyamines in addition to homospermidine | ? | |
2.5.1.44 | spermidine | - |
Blastochloris viridis | homospermidine + putrescine + 1,3-diaminopropane | - |
? | |
2.5.1.44 | spermidine + 1,6-diaminohexane | - |
Blastochloris viridis | homospermidine + N-(4-aminobutyl)-1,6-diaminohexane | - |
? | |
2.5.1.44 | spermidine + cadaverine | - |
Blastochloris viridis | homospermidine + N-(4-aminobutyl)-1,5-diaminopentane | - |
? | |
2.5.1.44 | spermidine + putrescine | - |
Blastochloris viridis | homospermidine + 1,3-diaminopropane | - |
? | |
2.5.1.45 | putrescine + spermidine | - |
Eupatorium cannabinum | N-(4-aminobutyl)butane-1,4-diamine + propane-1,3-diamine | - |
? | |
2.5.1.45 | putrescine + spermine | - |
Eupatorium cannabinum | sym-homospermine + propane-1,3-diamine | - |
? |
EC Number | Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
---|---|---|---|---|
2.5.1.44 | 4 | - |
stable for at least several weeks | Blastochloris viridis |
EC Number | Cofactor | Comment | Organism | Structure |
---|---|---|---|---|
2.5.1.44 | NAD+ | NAD+ seems to function as hydride acceptor in the first part of the reaction and subsequently as hydride donor in the second part | Blastochloris viridis | |
2.5.1.45 | NAD+ | - |
Eupatorium cannabinum | |
2.5.1.45 | NADH | - |
Eupatorium cannabinum |