4.4.1.32: C-phycocyanin alpha-cysteine-84 phycocyanobilin lyase
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For detailed information about C-phycocyanin alpha-cysteine-84 phycocyanobilin lyase, go to the full flat file.
Reaction
Synonyms
cpcE, CpcEF, cpcF, phycocyanobilin lyase subunit alpha, phycocyanobilin lyase subunit beta
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General Information
General Information on EC 4.4.1.32 - C-phycocyanin alpha-cysteine-84 phycocyanobilin lyase
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physiological function
insertion mutations in the subunits cpcE and cpcF genes, and an deletion mutation affecting both genes all lead to similar phenytopes. The strains are yellow-green in color, have doubling times approximately twice that of the wild-type strain, and fail to accumulate normal levels of phycocyanin. The strains contain substantial amounts of apparently normal phycocyanin beta subunits, while the majority of the phycocyanin alpha subunit (about 90%) does not carry a phycocyanobilin chromophore
physiological function
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lyase subunit CpcF deficiency results in significant decreases in the levels of all classes of phycobilisomes. Deficiency has a limited effect on the shape of cells, but significantly impacts filament length