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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. Any constituent part of the cytoplasm, all of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures. An elaborate tubulolamellar membrane system that underlies the postsynaptic cell membrane. 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). A constituent part of an intracellular organelle, an organized structure of distinctive morphology and function, occurring within the cell. Includes constituent parts of the nucleus, mitochondria, plastids, vacuoles, vesicles, ribosomes and the cytoskeleton but excludes the plasma membrane. An endoplasmic reticulum part at which COPII-coated vesicles are produced.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: endoplasmic reticulum exit site
Acc: GO:0070971
Aspect: Cellular Component
Desc: An endoplasmic reticulum part at which COPII-coated vesicles are produced.
Synonyms:
  • ER exit site
  • transitional ER
Proteins in PDR annotated with:
   This term: 2 [Search]
   Term or descendants: 2 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0070971 - endoplasmic reticulum exit site (interactive image map)
YRC Informatics Platform - Version 3.0
Created and Maintained by: Michael Riffle