EC Number | Cloned (Comment) | Organism |
---|---|---|
2.5.1.44 | overexpressed in Escherichia coli BL21, which originally does not possess HSS activity. 40-50% of the soluble protein in crude extracts are detected as homospermidine synthase | Blastochloris viridis |
EC Number | KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|---|
2.5.1.44 | 0.018 | - |
NAD+ | - |
Blastochloris viridis |
EC Number | Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|---|
2.5.1.44 | 52000 | - |
2 * 52000, SDS-PAGE | Blastochloris viridis |
2.5.1.44 | 52600 | - |
2 * 52600, calculated from the amino acid sequence | Blastochloris viridis |
2.5.1.44 | 100000 | - |
gel filtration | Blastochloris viridis |
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 | - |
? |
EC Number | Organism | UniProt | Comment | Textmining |
---|---|---|---|---|
2.5.1.44 | Blastochloris viridis | - |
expressed in Escherichia coli strain BL21/pHsRvT72.2 | - |
2.5.1.44 | Blastochloris viridis | - |
DSM 134 | - |
2.5.1.44 | Blastochloris viridis | - |
accession no. L77975 | - |
EC Number | Purification (Comment) | Organism |
---|---|---|
2.5.1.44 | 224fold | Blastochloris viridis |
2.5.1.44 | overexpressed Escherichia coli strain BL21 | Blastochloris viridis |
EC Number | Source Tissue | Comment | Organism | Textmining |
---|---|---|---|---|
2.5.1.44 | culture medium | - |
Blastochloris viridis | - |
EC Number | Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|---|
2.5.1.44 | 4.97 | - |
- |
Blastochloris viridis |
EC Number | Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|---|
2.5.1.44 | 2 putrescine | - |
Blastochloris viridis | sym-homospermidine + NH3 | - |
? |
EC Number | Subunits | Comment | Organism |
---|---|---|---|
2.5.1.44 | dimer | 2 * 52000, SDS-PAGE | Blastochloris viridis |
2.5.1.44 | dimer | 2 * 52600, calculated from the amino acid sequence | Blastochloris viridis |
EC Number | Cofactor | Comment | Organism | Structure |
---|---|---|---|---|
2.5.1.44 | NAD+ | - |
Blastochloris viridis |