Cloned (Comment) | Organism |
---|---|
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 |
KM Value [mM] | KM Value Maximum [mM] | Substrate | Comment | Organism | Structure |
---|---|---|---|---|---|
0.018 | - |
NAD+ | - |
Blastochloris viridis |
Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
---|---|---|---|
52000 | - |
2 * 52000, SDS-PAGE | Blastochloris viridis |
52600 | - |
2 * 52600, calculated from the amino acid sequence | Blastochloris viridis |
100000 | - |
gel filtration | Blastochloris viridis |
Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
---|---|---|---|---|---|---|
2 putrescine | Blastochloris viridis | - |
sym-homospermidine + NH3 | - |
? |
Organism | UniProt | Comment | Textmining |
---|---|---|---|
Blastochloris viridis | - |
expressed in Escherichia coli strain BL21/pHsRvT72.2 | - |
Blastochloris viridis | - |
DSM 134 | - |
Blastochloris viridis | - |
accession no. L77975 | - |
Purification (Comment) | Organism |
---|---|
224fold | Blastochloris viridis |
overexpressed Escherichia coli strain BL21 | Blastochloris viridis |
Source Tissue | Comment | Organism | Textmining |
---|---|---|---|
culture medium | - |
Blastochloris viridis | - |
Specific Activity Minimum [µmol/min/mg] | Specific Activity Maximum [µmol/min/mg] | Comment | Organism |
---|---|---|---|
4.97 | - |
- |
Blastochloris viridis |
Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
---|---|---|---|---|---|---|
2 putrescine | - |
Blastochloris viridis | sym-homospermidine + NH3 | - |
? |
Subunits | Comment | Organism |
---|---|---|
dimer | 2 * 52000, SDS-PAGE | Blastochloris viridis |
dimer | 2 * 52600, calculated from the amino acid sequence | Blastochloris viridis |
Cofactor | Comment | Organism | Structure |
---|---|---|---|
NAD+ | - |
Blastochloris viridis |