from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. any of several natural pigments having a structure of four pyrrole rings connected by a one-carbon unit
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.