CMP-Neu5Ac [cyto] or CMP-Sia [cyto] | → | CMP-Neu5Ac [Golgi] or CMP-Sia [Golgi] |
* This is an antiport of CMP and transports CMP-sialic acid from the cytosol into the lumen of the medial and trans cisternae of the Golgi apparatus
ER | Cis- | Medial- | Trans- | TGN |
---|---|---|---|---|