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C-PC [C-Phycocyanin] *CAS 11016-15-2*

C-Phycocyanin (C-PC) occurs as the major phycobiliprotein in many cyanobacteria and as a secondary phycobiliprotein in some red algae. The pigment has a single visible absorption maximum between 615 and 620 nm and a fluorescence emission maximum at ~650 nm. Its molecular weight is between 70,000 and 110,000 daltons. The pigment is composed of two subunits, ? and ?, which occur in equal numbers, but the exact number of ? and ? pairs which make up the molecule may vary among the species. Both ? and ? subunits contain only the PCB chromophore. In addition to absorbing light directly, this intensely blue pigment accepts quanta from phycoerythrin by fluorescence energy transfer in organisms in which PE is present. The red fluorescence of C-PC is transferred to allophycocyanin.

Citations

View all 2 citations: Citation Explorer
Small-scale Production and Business Plan for Phycocyanin from Cyanobacteria
Authors: Nazar, Reehana and Yousuff, Mohamed Imran Mohamed and Nooruddin, Thajuddin and Dharumadurai, Dhanasekaran
Journal: (2023): 253--277
An automated, modular system for organic waste utilization using heterotrophic alga Galdieria sulphuraria: Design considerations and sustainability
Authors: Pahmeyer, Maximilian Julius and Siddiqui, Shahida Anusha and Pleissner, Daniel and Go{\l}aszewski, Janusz and Heinz, Volker and Smetana, Sergiy
Journal: Bioresource Technology (2022): 126800

References

View all 46 references: Citation Explorer
Chromophore attachment to phycobiliprotein beta-subunits: phycocyanobilin:cysteine-beta84 phycobiliprotein lyase activity of CpeS-like protein from Anabaena Sp. PCC7120
Authors: Zhao KH, Su P, Li J, Tu JM, Zhou M, Bubenzer C, Scheer H.
Journal: J Biol Chem (2006): 8573
Excitation energy transfer from phycobiliprotein to chlorophyll d in intact cells of Acaryochloris marina studied by time- and wavelength-resolved fluorescence spectroscopy
Authors: Petrasek Z, Schmitt FJ, Theiss C, Huyer J, Chen M, Larkum A, Eichler HJ, Kemnitz K, Eckert HJ.
Journal: Photochem Photobiol Sci (2005): 1016
Single-molecule spectroscopy selectively probes donor and acceptor chromophores in the phycobiliprotein allophycocyanin
Authors: Loos D, Cotlet M, De Schryver F, Habuchi S, Hofkens J.
Journal: Biophys J (2004): 2598
Isolation and characterisation of phycobiliprotein rich mutant of cyanobacterium Synechocystis sp
Authors: Prasanna R, Dhar DW, Dominic TK, Tiwari ON, Singh PK.
Journal: Acta Biol Hung (2003): 113
Evaluation of Tolypothrix germplasm for phycobiliprotein content
Authors: Prasanna R, Prasanna BM, Mohammadi SA, Singh PK.
Journal: Folia Microbiol (Praha) (2003): 59
Page updated on December 13, 2024

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Physical properties

Molecular weight

~264,000

Solvent

Water

Storage, safety and handling

H-phraseH303, H313, H333
Hazard symbolXN
Intended useResearch Use Only (RUO)
R-phraseR20, R21, R22

Storage

Refrigerated (2-8 °C); Minimize light exposure
UNSPSC12171501

CAS

11016-15-2
Phycocyanin is a protein from the light-harvesting phycobiliprotein family, along with allophycocyanin, phycoerythrin and phycoerythrocyanin. It is an accessory pigment to chlorophyll. All phycobiliproteins are water-soluble and therefore cannot exist within the membrane like carotenoids, but aggregate forming clusters that adhere to the membrane called phycobilisomes. Allophycocyanin absorbs and emits red light, and is readily found in Cyanobacteria, and red algae. Phycobilin pigments have excellent fluorescent properties that are extremely useful for flow cytometry-based immunoassays.
Phycocyanin is a protein from the light-harvesting phycobiliprotein family, along with allophycocyanin, phycoerythrin and phycoerythrocyanin. It is an accessory pigment to chlorophyll. All phycobiliproteins are water-soluble and therefore cannot exist within the membrane like carotenoids, but aggregate forming clusters that adhere to the membrane called phycobilisomes. Allophycocyanin absorbs and emits red light, and is readily found in Cyanobacteria, and red algae. Phycobilin pigments have excellent fluorescent properties that are extremely useful for flow cytometry-based immunoassays.
Phycocyanin is a protein from the light-harvesting phycobiliprotein family, along with allophycocyanin, phycoerythrin and phycoerythrocyanin. It is an accessory pigment to chlorophyll. All phycobiliproteins are water-soluble and therefore cannot exist within the membrane like carotenoids, but aggregate forming clusters that adhere to the membrane called phycobilisomes. Allophycocyanin absorbs and emits red light, and is readily found in Cyanobacteria, and red algae. Phycobilin pigments have excellent fluorescent properties that are extremely useful for flow cytometry-based immunoassays.