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Keyword Golgi apparatus

Definition

Protein found in the Golgi apparatus, an organelle present in eukaryotic cells that appears as a stack of 6-8 plate-like membranous compartments and associated vesicles and vacuoles, often located near the centrosome. It has four functionally distinct compartments: cis, medial and trans Golgi stacks, and the trans Golgi network (TGN). The first three are involved in posttranslational modifications of proteins (e.g., N- or O-glycosylation, sulfation, processing of acid hydrolases), while the TGN is involved in sorting the proteins to their final destination (e.g., to lysosomes, to secretory vesicles, or to plasma membrane).

Synonyms

  • Golgi complex
  • Golgi stack

Category

Cellular component

GOi

Golgi apparatus [ GO:0005794 ]

Graphical

Cellular componentGolgi apparatus