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- Q635700 subject Q8762049.
- Q635700 subject Q8844637.
- Q635700 abstract "Phycourobilin is a tetrapyrrole orange molecule involved in photosynthesis in cyanobacteria and red algae. This chromophore is bound to the phycobiliprotein phycoerythrin, the distal component of the light-harvesting system of cyanobacteria and red algae (phycobilisome).When bound to phycoerythrin, phycourobilin shows an absorption maximum around 495 nm. This chromophore is always a donor chromophore of phycoerythrins, since their acceptor chromophore is always phycoerythrobilin. It can also be linked to the linker polypeptides of the phycobilisome, in which its precise role remains unclear. Phycourobilin is found in marine phycobilisome containing organisms, allowing them to efficiently absorb blue-green light. In the ubiquitous marine cyanobacteria Synechococcus, the amount of phycourobilin in the phycobilisomes is correlated to the ecological niche the cells inhabit: offshore Synechococcus are quite phycourobililin-rich, while coastal Synechococcus contain very little or no phycourobilin. This represents a remarkable adaptation of the cyanobacterial light-harvesting system, as oceanic waters are relatively richer in blue light than onshore waters.".
- Q635700 iupacName "3-[2-[(Z)-[3-(2-carboxyethyl)-5-[ [(2R)-4-ethyl-3-methyl-5-oxo-1,2-dihydropyrrol-2-yl]methyl]-4-methyl-2-pyrrolylidene]methyl]-5-[ [(2S)-3-ethyl-4-methyl-5-oxo-1,2-dihydropyrrol-2-yl]methyl]-4-methyl-1H-pyrrol-3-yl]propanoic acid".
- Q635700 thumbnail Phycourobilin.png?width=300.
- Q635700 wikiPageWikiLink Q11982.
- Q635700 wikiPageWikiLink Q150962.
- Q635700 wikiPageWikiLink Q3234015.
- Q635700 wikiPageWikiLink Q3381827.
- Q635700 wikiPageWikiLink Q420950.
- Q635700 wikiPageWikiLink Q422399.
- Q635700 wikiPageWikiLink Q79192.
- Q635700 wikiPageWikiLink Q8762049.
- Q635700 wikiPageWikiLink Q8844637.
- Q635700 iupacname "3".
- Q635700 type ChemicalCompound.
- Q635700 type ChemicalSubstance.
- Q635700 type ChemicalObject.
- Q635700 type Thing.
- Q635700 type Q11173.
- Q635700 comment "Phycourobilin is a tetrapyrrole orange molecule involved in photosynthesis in cyanobacteria and red algae. This chromophore is bound to the phycobiliprotein phycoerythrin, the distal component of the light-harvesting system of cyanobacteria and red algae (phycobilisome).When bound to phycoerythrin, phycourobilin shows an absorption maximum around 495 nm. This chromophore is always a donor chromophore of phycoerythrins, since their acceptor chromophore is always phycoerythrobilin.".
- Q635700 label "Phycourobilin".
- Q635700 depiction Phycourobilin.png.
