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A double membrane structure enclosing an organelle, including two lipid bilayers and the region between them. In some cases, an organelle envelope may have more than two membranes. Any constituent part of the nucleus, a membrane-bounded organelle of eukaryotic cells in which chromosomes are housed and replicated. 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. A protein complex that spans the nuclear outer and inner membranes, thereby linking the major cytoplasmic cytoskeleton elements to the nuclear lumen; the complex is conserved in eukaryotes and contains proteins with SUN and KASH domains. A membrane-bounded organelle of eukaryotic cells in which chromosomes are housed and replicated. In most cells, the nucleus contains all of the cell's chromosomes except the organellar chromosomes, and is the site of RNA synthesis and processing. In some species, or in specialized cell types, RNA metabolism or DNA replication may be absent. The double lipid bilayer enclosing the nucleus and separating its contents from the rest of the cytoplasm; includes the intermembrane space, a gap of width 20-40 nm (also called the perinuclear space). A region of the nuclear envelope to which a microtubule organizing center (MTOC) attaches; protein complexes embedded in the nuclear envelope mediate direct or indirect linkages between the microtubule cytoskeleton and the nuclear envelope. A collection of membranous structures involved in transport within the cell. The main components of the endomembrane system are endoplasmic reticulum, Golgi bodies, vesicles, cell membrane and nuclear envelope. Members of the endomembrane system pass materials through each other or though the use of vesicles.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: microtubule organizing center attachment site
Acc: GO:0034992
Aspect: Cellular Component
Desc: A region of the nuclear envelope to which a microtubule organizing center (MTOC) attaches; protein complexes embedded in the nuclear envelope mediate direct or indirect linkages between the microtubule cytoskeleton and the nuclear envelope.
Synonyms:
  • microtubule organising centre attachment site
  • MTOC attachment site
  • MAS
Proteins in PDR annotated with:
   This term: 1 [Search]
   Term or descendants: 10 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0034992 - microtubule organizing center attachment site (interactive image map)
YRC Informatics Platform - Version 3.0
Created and Maintained by: Michael Riffle