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Any constituent part of the endoplasmic reticulum, the irregular network of unit membranes, visible only by electron microscopy, that occurs in the cytoplasm of many eukaryotic cells. The membranes form a complex meshwork of tubular channels, which are often expanded into slitlike cavities called cisternae. The rough (or granular) endoplasmic reticulum (ER) has ribosomes adhering to the outer surface; the ribosomes are the site of translation of the mRNA for those proteins which are either to be retained within the cisternae (ER-resident proteins), the proteins of the lysosomes, or the proteins destined for export from the cell. Glycoproteins undergo their initial glycosylation within the cisternae. An organelle lumen that is part of an intracellular organelle. An elaborate tubulolamellar membrane system that underlies the postsynaptic cell membrane. The volume enclosed by the membranes of the rough endoplasmic reticulum. The irregular network of unit membranes, visible only by electron microscopy, that occurs in the cytoplasm of many eukaryotic cells. The membranes form a complex meshwork of tubular channels, which are often expanded into slitlike cavities called cisternae. The ER takes two forms, rough (or granular), with ribosomes adhering to the outer surface, and smooth (with no ribosomes attached). The volume enclosed by the membranes of the endoplasmic reticulum.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: rough endoplasmic reticulum lumen
Acc: GO:0048237
Aspect: Cellular Component
Desc: The volume enclosed by the membranes of the rough endoplasmic reticulum.
Synonyms:
  • RER lumen
  • rough ER lumen
Proteins in PDR annotated with:
   This term: 5 [Search]
   Term or descendants: 5 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0048237 - rough endoplasmic reticulum lumen (interactive image map)
YRC Informatics Platform - Version 3.0
Created and Maintained by: Michael Riffle