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Bacteriorhodopsin
From Proteopedia
Contents |
Function
Bacteriorhodopsin (Br) is a membrane protein in Archaea which moves protons across the cell membrane.
Structural highlights
Br is composed of 6 α-helical elements each containing a retinal molecule. The retinal changes its ground state conformation upon binding of a proton, causing the Br to change conformation to the activated state and pump the proton. The retinal interacts with hydrophobic and aromatic residues.
3D Structures of bacteriorhodopsin
Updated on 30-November-2015
See Also
References
- ↑ Joh NH, Oberai A, Yang D, Whitelegge JP, Bowie JU. Similar energetic contributions of packing in the core of membrane and water-soluble proteins. J Am Chem Soc. 2009 Aug 12;131(31):10846-7. PMID:19603754 doi:10.1021/ja904711k
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Michal Harel, Alexander Berchansky, Joel L. Sussman, Wayne Decatur, Jaime Prilusky
