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Literature summary extracted from

  • Coesel, S.; Obornik, M.; Varela, J.; Falciatore, A.; Bowler, C.
    Evolutionary origins and functions of the carotenoid biosynthetic pathway in marine diatoms (2008), PLoS ONE, 3, e2896.
    View publication on PubMedView publication on EuropePMC

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
1.14.15.21 thylakoid stromal site Phaeodactylum tricornutum 9579
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Organism

EC Number Organism UniProt Comment Textmining
1.14.15.21 Phaeodactylum tricornutum B7FQV6 Phaeodactylum tricornutum genome contains three copys of ZEP. As compared to the plant ZEPs, the amino acid region covering lipocalin motif I is considerably larger in the diatom ZEP1 and ZEP2 proteins, but not in PtZEP3 and the motif I consensus sequence is not conserved in any of the diatom ZEPs
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1.14.15.21 Phaeodactylum tricornutum B7FUR7 Phaeodactylum tricornutum genome contains three copys of ZEP. As compared to the plant ZEPs, the amino acid region covering lipocalin motif I is considerably larger in the diatom ZEP1 and ZEP2 proteins, but not in PtZEP3 and the motif I consensus sequence is not conserved in any of the diatom ZEPs
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1.14.15.21 Phaeodactylum tricornutum B7FYW4 Phaeodactylum tricornutum genome contains three copys of ZEP. As compared to the plant ZEPs, the amino acid region covering lipocalin motif I is considerably larger in the diatom ZEP1 and ZEP2 proteins, but not in PtZEP3 and the motif I consensus sequence is not conserved in any of the diatom ZEPs
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1.23.5.1 Phaeodactylum tricornutum
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-
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1.23.5.1 Thalassiosira pseudonana
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-
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Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
1.14.15.21 antheraxanthin + 2 reduced ferredoxin [iron-sulfur] cluster + 2 H+ + O2
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 Phaeodactylum tricornutum violaxanthin + 2 oxidized ferredoxin [iron-sulfur] cluster + H2O
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 ir
1.14.15.21 zeaxanthin + 2 reduced ferredoxin [iron-sulfur] cluster + 2 H+ + O2
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 Phaeodactylum tricornutum antheraxanthin + 2 oxidized ferredoxin [iron-sulfur] cluster + H2O
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 ir

Synonyms

EC Number Synonyms Comment Organism
1.14.15.21 TpZEP1
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 Phaeodactylum tricornutum
1.14.15.21 TpZEP2
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 Phaeodactylum tricornutum
1.14.15.21 TpZEP3
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 Phaeodactylum tricornutum
1.14.15.21 zeaxanthin epoxidase
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 Phaeodactylum tricornutum
1.14.15.21 ZEP
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 Phaeodactylum tricornutum
1.23.5.1 violaxanthin de-epoxidase
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 Phaeodactylum tricornutum
1.23.5.1 violaxanthin de-epoxidase
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 Thalassiosira pseudonana

Expression

EC Number Organism Comment Expression
1.14.15.21 Phaeodactylum tricornutum white and blue light increase mRNA levels of ZEP1, ZEP2 and ZEP3 1 to 8 hours after lights on, red light slightly upregulates transcription of ZEP2 gene, but has no effect on ZEP1 and ZEP3 up