Phycocyanobilin

Phycocyanobilin
Identifiers


PubChem	5288007
Properties
Chemical formula	C₃₃H₃₈N₄O₆
Molar mass	586.69 g/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Y verify (what is ^YN ?)
Infobox references

Phycocyanobilin is a blue phycobilin, i.e., a tetrapyrrole chromophore found in cyanobacteria and in the chloroplasts of red algae, glaucophytes, and some cryptomonads. Phycocyanobilin is present only in the phycobiliproteins allophycocyanin and phycocyanin, of which it is the terminal acceptor of energy. It is covalently linked to these phycobiliproteins by a thioether bond.

References

Cole, W. J.; Chapman, David J.; Siegelman, Harold W. (1967). "Structure of phycocyanobilin". Journal of the American Chemical Society. 89 (14): 3643–3645. doi:10.1021/ja00990a055. ISSN 0002-7863.

Bilanes
(Linear)

Phytobilins

Phytochromobilin

Phycobilins	Phycoerythrobilin Phycocyanobilin Phycourobilin Phycoviolobilin

Protoporphyrins	Protoporphyrin IX Heme (b, c, a, o) Zinc protoporphyrin Magnesium protoporphyrin

Phytoporphyrins	Chlorophyll c Protochlorophyllide

Reduced
porphyrins

Porphyrinogens	Uroporphyrinogen (I, III) Coproporphyrinogen (I, III) Protoporphyrinogen IX

Chlorins	Chlorophyllide (a, b) Chlorophyll (a, b) Phaeophytin (a, b) Bacteriochlorophyll c

Bacteriochlorins	Bacteriochlorophyll a

Isobacteriochlorins	Siroheme Sirohydrochlorin

Corphins	Cofactor F430

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