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SU (Surface) is a glycoprotein that mediates viral adsorption by binding to specific receptors on a cell surface. Think of it as the virus's "lock-picking" tool.

Once it binds to the specific cell receptor, it changes shape, allowing the virus to enter. maturesu s a

The SU subunit stays closely linked to the TM subunit through noncovalent interactions, and together, they are transported to the cell surface. SU (Surface) is a glycoprotein that mediates viral