A transmembrane protein that helps a certain substance or class of closely related substances to cross the membrane
Transport protein can refer to:
A membrane transport protein (or simply transporter) is a Protein involved in the movement of Ions small molecules or macromolecules such as another A vesicular transport protein is a Membrane protein which use vesicles to move the contents of the cell Carrier proteins are Proteins that transport a specific substance or group of substances through intracellular compartments or in extracellular fluids (e