40826 ER_lumen_receptThalassiosira pseudonana
GO:0004872 GO:0015031 GO:0016021 -
Combining with an extracellular or intracellular messenger to initiate a change in cell activity.
The directed movement of proteins into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
integral component of membrane
The component of a membrane consisting of gene products and protein complexes that have some part that penetrates at least one leaflet of the membrane bilayer. This component includes gene products that are buried in the bilayer with no exposure outside the bilayer.