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- noun biochemistry any of several natural
pigmentshaving a structure of four pyrrolerings connected by a one- carbonunit
Sorry, no etymologies found.
The first reaction catalyzed by PebS is the reduction of the 15,16-methine bridge of the biliverdin tetrapyrrole system.
The reddish purple open chain tetrapyrrole pigment phycoerythrobilin max 550 nm) is an essential chromophore of the light-harvesting phycobiliproteins of most cyanobacteria, red algae, and cryptomonads.