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单词 Proteorhodopsin
释义

Proteorhodopsin

英语百科

Proteorhodopsin

Holoenzyme (Green) with helicies A-G labeled (purple) as well as Retinal ligand (orange)
2L6x In-Active-Site Cartoon Color Coded and Labeled Visualization, D and E Helicies hidden for vantage, Retinal ligand binding site
Visualization of the retinal bound active site of the 2L6X protein structure of pRhodopsin, residues color coded and labeled by activity, ligand is orange.

Proteorhodopsin (also known as pRhodopsin) is a family of over 50 photoactive retinylidene proteins, a larger family of transmembrane proteins that use retinal as a chromophore for light-mediated functionality, in this case, a proton pump. Some homologues exist as pentamers or hexamers. pRhodopsin is found in marine planktonic bacteria, archaea and eukaryotes (protae), but was first discovered in bacteria.

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