SCIENCE|natural and applied sciences|life sciences|biology · SCIENCE|natural and applied sciences|life sciences
- próitéin iompróra Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
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- carrier protein
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- Definition "type of transport protein that acts like a pore in the membrane and lets solutes or small ions through quickly" Reference "CK-12 Foundation. 'Passive Transport' (17.2.2020)"
- Comment A carrier protein is a fixed topology transmembrane protein, with the ability to cycle between conformational changes. In this way, a solute binding site may be accessible on either side of the membrane, depending on the current conformation of the membrane protein. An intermediate conformation may also exist, in which the bound solute is inaccessible to both, however there is never an open channel through the carrier protein all the way through the membrane. A carrier protein transports either a single or a defined number of solute molecules per conformational cycle.