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Literature summary for 4.1.1.19 extracted from
- Homospermidine biosynthesis in the cyanobacterium Anabaena requires a deoxyhypusine synthase homologue and is essential for normal diazotrophic growth (2018), Mol. Microbiol., 109, 763-780 .
Natural Substrates/ Products (Substrates)
| Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| L-arginine | Nostoc sp. PCC 7120 = FACHB-418 | the enzyme is involved in synthesis of homospermidine | agmatine + CO2 | - |
? |  |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Nostoc sp. PCC 7120 = FACHB-418 | Q8YRP3 | - |
- |
Source Tissue
| Source Tissue | Comment | Organism | Textmining |
|---|---|---|---|
| heterocyst | SpeA accumulates at higher levels in vegetative cells than in heterocysts | Nostoc sp. PCC 7120 = FACHB-418 | - |
| vegetative cell | SpeA accumulates at higher levels in vegetative cells than in heterocysts | Nostoc sp. PCC 7120 = FACHB-418 | - |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| L-arginine | - |
Nostoc sp. PCC 7120 = FACHB-418 | agmatine + CO2 | - |
? | |
| L-arginine | the enzyme is involved in synthesis of homospermidine | Nostoc sp. PCC 7120 = FACHB-418 | agmatine + CO2 | - |
? | |
Synonyms
| Synonyms | Comment | Organism |
|---|---|---|
| SpeA | - |
Nostoc sp. PCC 7120 = FACHB-418 |
General Information
| General Information | Comment | Organism |
|---|---|---|
| malfunction | inactivation of the speA gene impairs diazotrophic growth | Nostoc sp. PCC 7120 = FACHB-418 |
| metabolism | the enzyme is involved in synthesis of homospermidine | Nostoc sp. PCC 7120 = FACHB-418 |
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