What does proteorhodopsin mean?
Definitions for proteorhodopsin
pro·te·orhodopsin
This dictionary definitions page includes all the possible meanings, example usage and translations of the word proteorhodopsin.
Wiktionary
proteorhodopsinnoun
Any of several proteins, that are light-dependent proton pumps, found in marine bacteria.
Wikidata
Proteorhodopsin
Proteorhodopsin is a photoactive retinylidene protein in marine planktonic bacteria, archaea and eukaryotes. Just like the homologous pigment bacteriorhodopsin found in some archaea, it consists of a transmembrane protein bound to a retinal molecule and functions as a light-driven proton pump. Some members of the family are believed to have sensory functions. Members are known to have different absorption spectra. Proteorhodopsin was first discovered in 2000. It was found in the genomes of several species of uncultivated marine γ-proteobacteria present in the Eastern Pacific Ocean, Central North Pacific Ocean and Southern Ocean, Antarctica. Subsequently, genes of proteorhodopsin variants have been identified in samples from the Mediterranean and Red Seas and the Sargasso Sea and the Sea of Japan. These variants are not spread randomly, but have different distributions of absorption maxima along depth gradients and across locations. On comparison to its better-known archaeal homolog bacteriorhodopsin, most of the active site residues of known importance to the bacteriorhodopsin mechanism are conserved in proteorhodopsin. Homologues of the active site residues Arg82, Asp85, Asp212 and Lys216 in bacteriorhodopsin are conserved as Arg94, Asp97, Asp227 and Lys231 in proteorhodopsin. However, in proteorhodopsin, there are no carboxylic acid residues directly homologous to Glu194 or Glu204 of bacteriorhodopsin, which are thought to be involved in the proton release pathway at the extracellular surface.
Numerology
Chaldean Numerology
The numerical value of proteorhodopsin in Chaldean Numerology is: 3
Pythagorean Numerology
The numerical value of proteorhodopsin in Pythagorean Numerology is: 9
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"proteorhodopsin." Definitions.net. STANDS4 LLC, 2024. Web. 24 Apr. 2024. <https://www.definitions.net/definition/proteorhodopsin>.
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