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Literature summary for 1.3.1.75 extracted from
- One divinyl reductase reduces the 8-vinyl groups in various intermediates of chlorophyll biosynthesis in a given higher plant species, but the isozyme differs between species (2013), Plant Physiol., 161, 521-534 .
Cloned(Commentary)
| Cloned (Comment) | Organism |
|---|---|
| gene DVR or PCB2, a single-copy gene, DNA and amino acid sequence determination and analysis, sequence comparisons | Zea mays |
| gene DVR, a single-copy gene, DNA and amino acid sequence determination and analysis, sequence comparisons | Cucumis sativus |
| gene DVR, DNA and amino acid sequence determination and analysis, sequence comparisons | Oryza sativa |
| gene DVR, DNA and amino acid sequence determination and analysis, sequence comparisons | Arabidopsis thaliana |
Protein Variants
| Protein Variants | Comment | Organism |
|---|---|---|
| additional information | generation of the OsDVR-inactivated 824ys mutant of rice that shows no DVR activity | Oryza sativa |
Localization
| Localization | Comment | Organism | GeneOntology No. | Textmining |
|---|---|---|---|---|
| chloroplast | - |
Oryza sativa | 9507 | - |
| chloroplast | - |
Arabidopsis thaliana | 9507 | - |
| chloroplast | the enzyme contains an apparent chloroplast-targeting sequence of 54 amino acids at their N-terminus | Zea mays | 9507 | - |
| chloroplast | the enzyme contains an apparent chloroplast-targeting sequence of 71 amino acids at their N-terminus | Cucumis sativus | 9507 | - |
| etioplast | - |
Cucumis sativus | 9513 | - |
Natural Substrates/ Products (Substrates)
| Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| 3,8-divinyl chlorophyll a + NADPH + H+ | Oryza sativa | - |
3-vinyl-chlorophyll a + NADP+ | - |
? |  |
| 3,8-divinyl chlorophyll a + NADPH + H+ | Zea mays | - |
3-vinyl-chlorophyll a + NADP+ | - |
? | |
| 3,8-divinyl chlorophyllide a + NADPH + H+ | Oryza sativa | - |
3-vinyl-chlorophyllide a + NADP+ | - |
? | |
| 3,8-divinyl chlorophyllide a + NADPH + H+ | Zea mays | - |
3-vinyl-chlorophyllide a + NADP+ | - |
? | |
| 3,8-divinyl chlorophyllide a + NADPH + H+ | Cucumis sativus | - |
3-vinyl-chlorophyllide a + NADP+ | - |
? | |
| 3,8-divinyl chlorophyllide a + NADPH + H+ | Arabidopsis thaliana | - |
3-vinyl-chlorophyllide a + NADP+ | - |
? | |
| 3,8-divinyl protochlorophyllide a + NADPH + H+ | Oryza sativa | - |
3-vinyl-protochlorophyllide a + NADP+ | - |
? | |
| 3,8-divinyl protochlorophyllide a + NADPH + H+ | Zea mays | - |
3-vinyl-protochlorophyllide a + NADP+ | - |
? | |
| 3,8-divinyl protochlorophyllide a + NADPH + H+ | Cucumis sativus | - |
3-vinyl-protochlorophyllide a + NADP+ | - |
? | |
| 3,8-divinyl protochlorophyllide a + NADPH + H+ | Arabidopsis thaliana | - |
3-vinyl-protochlorophyllide a + NADP+ | - |
? | |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Arabidopsis thaliana | Q1H537 | - |
- |
| Cucumis sativus | J9RYI6 | - |
- |
| Oryza sativa | Q10LH0 | - |
- |
| Zea mays | B6SZW0 | - |
- |
Source Tissue
| Source Tissue | Comment | Organism | Textmining |
|---|---|---|---|
| cotyledon | etiolated | Cucumis sativus | - |
| leaf | - |
Zea mays | - |
| seedling | - |
Oryza sativa | - |
| seedling | - |
Zea mays | - |
| seedling | - |
Cucumis sativus | - |
| seedling | - |
Arabidopsis thaliana | - |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| 3,8-divinyl chlorophyll a + NADPH + H+ | - |
Oryza sativa | 3-vinyl-chlorophyll a + NADP+ | - |
? | |
| 3,8-divinyl chlorophyll a + NADPH + H+ | - |
Zea mays | 3-vinyl-chlorophyll a + NADP+ | - |
? | |
| 3,8-divinyl chlorophyllide a + NADPH + H+ | - |
Oryza sativa | 3-vinyl-chlorophyllide a + NADP+ | - |
? | |
| 3,8-divinyl chlorophyllide a + NADPH + H+ | - |
Zea mays | 3-vinyl-chlorophyllide a + NADP+ | - |
? | |
| 3,8-divinyl chlorophyllide a + NADPH + H+ | - |
Cucumis sativus | 3-vinyl-chlorophyllide a + NADP+ | - |
? | |
| 3,8-divinyl chlorophyllide a + NADPH + H+ | - |
Arabidopsis thaliana | 3-vinyl-chlorophyllide a + NADP+ | - |
? | |
| 3,8-divinyl protochlorophyllide a + NADPH + H+ | - |
Oryza sativa | 3-vinyl-protochlorophyllide a + NADP+ | - |
? | |
| 3,8-divinyl protochlorophyllide a + NADPH + H+ | - |
Zea mays | 3-vinyl-protochlorophyllide a + NADP+ | - |
? | |
| 3,8-divinyl protochlorophyllide a + NADPH + H+ | - |
Cucumis sativus | 3-vinyl-protochlorophyllide a + NADP+ | - |
? | |
| 3,8-divinyl protochlorophyllide a + NADPH + H+ | - |
Arabidopsis thaliana | 3-vinyl-protochlorophyllide a + NADP+ | - |
? | |
| additional information | substrate specificity, overview. The enzyme is also active with divinyl magnesium-protoporphyrin IX monomethyl ester and divinyl magnesium protoporphyrin IX. AtDVR is able to efficiently convert 3,8-divinyl chlorophyllide a to 3-vinyl chlorophyllide a with higher reaction velocities. In addition, the AtDVR enzyme is also able to convert 3,8-divinyl protochlorophyllide a and divinyl magnesium-protoporphyrin IX monomethyl ester into monovinyl protochlorophyllide a and monovinyl magnesium-protoporphyrin IX monomethyl ester, respectively. Although the reaction velocity is extremely slow | Arabidopsis thaliana | ? | - |
? | |
| additional information | substrate specificity, overview. The enzyme is also active with divinyl magnesium-protoporphyrin IX monomethyl ester and divinyl magnesium protoporphyrin IX. Catalytic activity of OsDVR on 3,8-divinyl chlorophyllide a is about 50% higher than that on 3,8-divinyl chlorophyll a and about 160 and 320fold higher than that on 3,8-divinyl protochlorophyllide a and divinyl magnesium-protoporphyrin IX monomethyl ester, respectively | Oryza sativa | ? | - |
? | |
| additional information | substrate specificity, overview. The enzyme is also active with divinyl magnesium-protoporphyrin IX monomethyl ester and divinyl magnesium protoporphyrin IX. CsDVR is able to efficiently convert 3,8-divinyl chlorophyllide a to 3-vinyl chlorophyllide a with higher reaction velocities. In addition, the CsDVR enzyme is also able to convert 3,8-divinyl protochlorophyllide a and divinyl magnesium-protoporphyrin IX monomethyl ester into monovinyl protochlorophyllide a and monovinyl magnesium-protoporphyrin IX monomethyl ester, respectively. Although the reaction velocity is extremely slow | Cucumis sativus | ? | - |
? | |
| additional information | substrate specificity, overview. The enzyme is also active with divinyl magnesium-protoporphyrin IX monomethyl ester and divinyl magnesium protoporphyrin IX. ZmDVR is able to convert all five divinyl-Chl intermediates into corresponding monovinyl compounds | Zea mays | ? | - |
? | |
Subunits
| Subunits | Comment | Organism |
|---|---|---|
| ? | x * 43000, about, sequence calculation | Zea mays |
| ? | x * 46000, about, sequence calculation | Cucumis sativus |
Synonyms
| Synonyms | Comment | Organism |
|---|---|---|
| AtDVR | - |
Arabidopsis thaliana |
| CsDVR | - |
Cucumis sativus |
| divinyl reductase | - |
Oryza sativa |
| divinyl reductase | - |
Zea mays |
| divinyl reductase | - |
Cucumis sativus |
| divinyl reductase | - |
Arabidopsis thaliana |
| DVR | - |
Oryza sativa |
| DVR | - |
Zea mays |
| DVR | - |
Cucumis sativus |
| DVR | - |
Arabidopsis thaliana |
| OsDVR | - |
Oryza sativa |
| PCB2 | - |
Zea mays |
| ZmDVR | - |
Zea mays |
Temperature Optimum [°C]
| Temperature Optimum [°C] | Temperature Optimum Maximum [°C] | Comment | Organism |
|---|---|---|---|
| 20 | 25 | dependent on the substrate | Oryza sativa |
| 20 | 25 | dependent on the substrate | Zea mays |
| 20 | 25 | dependent on the substrate | Cucumis sativus |
| 20 | 25 | dependent on the substrate | Arabidopsis thaliana |
pH Optimum
| pH Optimum Minimum | pH Optimum Maximum | Comment | Organism |
|---|---|---|---|
| 6.5 | 7 | dependent on the substrate | Oryza sativa |
| 6.5 | 7 | dependent on the substrate | Zea mays |
| 6.5 | 7 | dependent on the substrate | Cucumis sativus |
| 6.5 | 7 | dependent on the substrate | Arabidopsis thaliana |
Cofactor
| Cofactor | Comment | Organism | Structure |
|---|---|---|---|
| NADPH | - |
Oryza sativa | |
| NADPH | - |
Zea mays | |
| NADPH | - |
Cucumis sativus | |
| NADPH | - |
Arabidopsis thaliana | |
General Information
| General Information | Comment | Organism |
|---|---|---|
| evolution | single DVR with broad substrate specificity is responsible for reducing the 8-vinyl groups of various chlorophyll intermediates in higher plants, but DVR proteins from different species have diverse and differing substrate preferences, although they are homologous | Oryza sativa |
| evolution | single DVR with broad substrate specificity is responsible for reducing the 8-vinyl groups of various chlorophyll intermediates in higher plants, but DVR proteins from different species have diverse and differing substrate preferences, although they are homologous | Zea mays |
| evolution | single DVR with broad substrate specificity is responsible for reducing the 8-vinyl groups of various chlorophyll intermediates in higher plants, but DVR proteins from different species have diverse and differing substrate preferences, although they are homologous | Cucumis sativus |
| evolution | single DVR with broad substrate specificity is responsible for reducing the 8-vinyl groups of various chlorophyll intermediates in higher plants, but DVR proteins from different species have diverse and differing substrate preferences, although they are homologous | Arabidopsis thaliana |
| malfunction | the OsDVR-inactivated 824ys mutant of rice exclusively accumulates divinyl chlorophylls in its various organs during different developmental stages | Oryza sativa |
| physiological function | divinyl reductase (DVR) converts 8-vinyl groups on various chlorophyll intermediates to ethyl groups, which is indispensable for chlorophyll biosynthesis | Oryza sativa |
| physiological function | divinyl reductase (DVR) converts 8-vinyl groups on various chlorophyll intermediates to ethyl groups, which is indispensable for chlorophyll biosynthesis | Zea mays |
| physiological function | divinyl reductase (DVR) converts 8-vinyl groups on various chlorophyll intermediates to ethyl groups, which is indispensable for chlorophyll biosynthesis | Cucumis sativus |
| physiological function | divinyl reductase (DVR) converts 8-vinyl groups on various chlorophyll intermediates to ethyl groups, which is indispensable for chlorophyll biosynthesis | Arabidopsis thaliana |
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