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Literature summary for 1.3.1.33 extracted from
- Light-independent NADPH-protochlorophyllide oxidoreductase activity in purified plasma membrane from the cyanobacterium Anacystis nidulans (1989), Biochem. Biophys. Res. Commun., 162, 71-78.
Inhibitors
| Inhibitors | Comment | Organism | Structure |
|---|---|---|---|
| EGTA | the enzyme activity is abolished in the presence of 10 mM EGTA | Synechococcus elongatus PCC 7942 = FACHB-805 |  |
| additional information | the reaction is completely insensitive to illumination (5-20 w/m2 tungsten light) | Synechococcus elongatus PCC 7942 = FACHB-805 |
Localization
| Localization | Comment | Organism | GeneOntology No. | Textmining |
|---|---|---|---|---|
| plasma membrane | - |
Synechococcus elongatus PCC 7942 = FACHB-805 | 5886 | - |
Metals/Ions
| Metals/Ions | Comment | Organism | Structure |
|---|---|---|---|
| Ca2+ | specifically stimulated by Ca2+ | Synechococcus elongatus PCC 7942 = FACHB-805 | |
Natural Substrates/ Products (Substrates)
| Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| protochlorophyllide + NADPH | Synechococcus elongatus PCC 7942 = FACHB-805 | - |
chlorophyllide + NADP+ | - |
? | |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Synechococcus elongatus PCC 7942 = FACHB-805 | - |
ATCC27144 = Synechococcus PCC6301 | - |
| Synechococcus elongatus PCC 7942 = FACHB-805 | - |
Synechococcus sp. PCC 6301 or ATCC 27144 | - |
Source Tissue
| Source Tissue | Comment | Organism | Textmining |
|---|
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| protochlorophyllide + NADPH | - |
Synechococcus elongatus PCC 7942 = FACHB-805 | chlorophyllide + NADP+ | - |
? | |
| protochlorophyllide + NADPH + H+ | - |
Synechococcus elongatus PCC 7942 = FACHB-805 | chlorophyllide a + NADP+ | - |
? | |
Synonyms
| Synonyms | Comment | Organism |
|---|---|---|
| light-independent NADPH:protochlorophyllide oxidoreductase | - |
Synechococcus elongatus PCC 7942 = FACHB-805 |
Temperature Stability [°C]
| Temperature Stability Minimum [°C] | Temperature Stability Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 90 | - |
the enzyme activity is abolished after heating of the membranes (90°C, 5 min) | Synechococcus elongatus PCC 7942 = FACHB-805 |
Cofactor
| Cofactor | Comment | Organism | Structure |
|---|---|---|---|
| NADPH | - |
Synechococcus elongatus PCC 7942 = FACHB-805 | |
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