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Literature summary for 1.3.7.7 extracted from

  • Shui, J.; Saunders, E.; Needleman, R.; Nappi, M.; Cooper, J.; Hall, L.; Kehoe, D.; Stowe-Evans, E.
    Light-dependent and light-independent protochlorophyllide oxidoreductases in the chromatically adapting cyanobacterium Fremyella diplosiphon UTEX 481 (2009), Plant Cell Physiol., 50, 1507-1521.
    View publication on PubMed

Organism

Organism UniProt Comment Textmining
Microchaete diplosiphon C6KHP5 DPOR subunit B; strain UTEX 481, also called Calothrix sp. PCC 7601 and Tolypothrix sp. PCC 7601
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Microchaete diplosiphon Q6H056 DPOR subunit L; strain UTEX 481, also called Calothrix sp. PCC 7601 and Tolypothrix sp. PCC 7601
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Microchaete diplosiphon Q6H058 DPOR subunit N; strain UTEX 481, also called Calothrix sp. PCC 7601 and Tolypothrix sp. PCC 7601
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Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
protochlorophyllide + oxidized ferredoxin + ADP + phosphate
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Microchaete diplosiphon chlorophyllide a + reduced ferredoxin + ATP
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Synonyms

Synonyms Comment Organism
dark-operative protochlorophyllide oxidoreductase
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Microchaete diplosiphon
DPOR
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Microchaete diplosiphon
light-independent protochlorophyllide oxidoreductases
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Microchaete diplosiphon

Cofactor

Cofactor Comment Organism Structure
ADP
-
Microchaete diplosiphon

Expression

Organism Comment Expression
Microchaete diplosiphon DPOR gene transcripts are down-regulated 2-5fold in the dark down
Microchaete diplosiphon DPOR gene transcripts are down-regulated 2-5fold in the dark. After a brief increase at 30 min the transcript level of DPOR subunit N drops precipitously, and within 4 h in the dark the DPOR subunit N transcript levels are just under 20% of those of green light-grown cells down
Microchaete diplosiphon DPOR gene transcripts are down-regulated 2-5fold in the dark. Within 30 min in the dark the DPOR subunit B transcript abundance drops to approximately 70% that of green light-grown cells and remains at that level before dropping to approximately 40% that of green light-grown cells at 4 h down
Microchaete diplosiphon the transcript level of DPOR subunit B is up-regulated approximately 2fold in green light relative to levels in red light up
Microchaete diplosiphon transcripts levels of all DPOR genes are up-regulated approximately 2fold in green light relative to levels in red light up