What does halorhodopsin mean?

Definitions for halorhodopsin

Here are all the possible meanings and translations of the word halorhodopsin.


  1. halorhodopsinnoun

    A light-driven ion pump, specific to chloride ions, found in phylogenetically ancient archaea known as halobacteria.


  1. Halorhodopsin

    Halorhodopsin is a light-gated ion channel, specific for chloride ions, and found in phylogenetically ancient archaea, known as halobacteria. It is a seven-transmembrane protein of the retinylidene protein family, homologous to the light-driven proton pump bacteriorhodopsin, and similar in tertiary structure to vertebrate rhodopsins, the pigments that sense light in the retina. Halorhodopsin also shares sequence similarity to channelrhodopsin, another light-driven ion channel. Halorhodopsin contains the essential light-isomerizable vitamin A derivative all-trans-retinal. Due to the intense attention on solving the structure and function of this molecule, halorhodopsin is one of the few membrane proteins whose crystal structure is known. Halorhodopsin uses the energy of green/yellow light to move chloride ions into the cell, overcoming the membrane potential. Beside chlorides it transports other halides and nitrates into the cell. Potassium chloride uptake by cells helps to maintain osmotic balance during cell growth. By performing the same task, light-driven anion pumps can considerably reduce the use of metabolic energy. Halorhodopsin has been the subject of much study and its structure is accurately known. Its properties are similar to those of bacteriorhodopsin, and these two light-driven ion pumps transport cations and anions in opposite directions.

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  1. Chaldean Numerology

    The numerical value of halorhodopsin in Chaldean Numerology is: 4

  2. Pythagorean Numerology

    The numerical value of halorhodopsin in Pythagorean Numerology is: 1

Images & Illustrations of halorhodopsin

  1. halorhodopsinhalorhodopsinhalorhodopsinhalorhodopsinhalorhodopsin


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