EC Tree |
1. Oxidoreductases |
1.14 Acting on paired donors, with incorporation or reduction of molecular oxygen |
1.14.13 With NADH or NADPH as one donor, and incorporation of one atom of oxygen into the other donor |
ID: | 1.14.13.122 |
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Description: | Chlorophyllide a oxygenase. |
Alternative Name: |
Cholorophyll-b synthase. CAO. |
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Note: Use your mouse to drag, rotate, and zoom in and out of the structure. Mouse-over to identify atoms and bonds. Mouse controls documentation.UniProtKB Enzyme Link: | UniProtKB 1.14.13.122 |
BRENDA Enzyme Link: | BRENDA 1.14.13.122 |
KEGG Enzyme Link: | KEGG1.14.13.122 |
BioCyc Enzyme Link: | BioCyc 1.14.13.122 |
ExPASy Enzyme Link: | ExPASy1.14.13.122 |
EC2PDB Enzyme Link: | EC2PDB 1.14.13.122 |
ExplorEnz Enzyme Link: | ExplorEnz 1.14.13.122 |
PRIAM enzyme-specific profiles Link: | PRIAM 1.14.13.122 |
IntEnz Enzyme Link: | IntEnz 1.14.13.122 |
MEDLINE Enzyme Link: | MEDLINE 1.14.13.122 |
MSA: | |
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Phylogenetic Tree: | |
Uniprot: | |
M-CSA: |
RHEA:30359 | chlorophyllide a + 2 H(+) + 2 NADPH + 2 O2 = chlorophyllide b + 3 H2O + 2 NADP(+) |
RULE(radius=1) | [*:1]-[C;H0;+0:2]1=[CH;+0:3]-[N;H0;+0:4](-[*:5])-[CH;+0:6]=[CH;+0:7]-[CH2;+0:8]-1.[*:9]-[CH3;+0:10].[*:11]-[N;H0;+0:12]1-[CH;+0:13]=[C;H0;+0:14](-[*:15])-[CH2;+0:16]-[CH;+0:17]=[CH;+0:18]-1.[H+;H0:19].[H+;H0:20].[O;H0;+0:21]=[O;H0;+0:22].[O;H0;+0:23]=[O;H0;+0:24]>>[*:9]-[CH;+0:10]=[O;H0;+0:21].[*:1]-[c;H0;+0:2]1:[cH;+0:3]:[n+;H0:4](-[*:5]):[cH;+0:6]:[cH;+0:7]:[cH;+0:8]:1.[*:11]-[n+;H0:12]1:[cH;+0:13]:[c;H0;+0:14](-[*:15]):[cH;+0:16]:[cH;+0:17]:[cH;+0:18]:1.[OH2;+0:22].[OH2;+0:23].[OH2;+0:24] |
Reaction | ![]() |
Core-to-Core |
Title | Authors | Date | PubMed ID |
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Synthesis of chlorophyll b: localization of chlorophyllide a oxygenase and discovery of a stable radical in the catalytic subunit. | Eggink LL, LoBrutto R, Brune DC, Brusslan J, Yamasato A, Tanaka A, Hoober JK | 2004 Apr 15 | 15086960 |
Cloning and functional expression of the gene encoding the key enzyme for chlorophyll b biosynthesis (CAO) from Arabidopsis thaliana. | Oster U, Tanaka R, Tanaka A, Rüdiger W | 2000 Feb | 10758481 |
The AtCAO gene, encoding chlorophyll a oxygenase, is required for chlorophyll b synthesis in Arabidopsis thaliana. | Espineda CE, Linford AS, Devine D, Brusslan JA | 1999 Aug 31 | 10468639 |