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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. The outer, i.e. cytoplasm-facing in a cellular organelle, lipid bilayer of an organelle envelope. The outer, i.e. cytoplasm-facing, lipid bilayer of the plastid envelope. The outer, i.e. cytoplasm-facing, lipid bilayer of the mitochondrial envelope. A multilayered structure surrounding all or part of a cell; encompasses one or more lipid bilayers, and may include a cell wall layer; also includes the space between layers. The living contents of a cell; the matter contained within (but not including) the plasma membrane, usually taken to exclude large vacuoles and masses of secretory or ingested material. In eukaryotes it includes the nucleus and cytoplasm. The outer, i.e. cytoplasm-facing, lipid bilayer of the nuclear envelope; continuous with the endoplasmic reticulum of the cell and sometimes studded with ribosomes. Double layer of lipid molecules that encloses all cells, and, in eukaryotes, many organelles; may be a single or double lipid bilayer; also includes associated proteins. The external membrane of Gram-negative bacteria or certain organelles such as mitochondria and chloroplasts; freely permeable to most ions and metabolites. Organized structure of distinctive morphology and function, bounded by a single or double lipid bilayer membrane. Includes the nucleus, mitochondria, plastids, vacuoles, and vesicles. Excludes the plasma membrane. 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. The lipid bilayer surrounding an organelle. Any constituent part of a cell, the basic structural and functional unit of all organisms. Any constituent part of the living contents of a cell; the matter contained within (but not including) the plasma membrane, usually taken to exclude large vacuoles and masses of secretory or ingested material. In eukaryotes it includes the nucleus and cytoplasm. Any constituent part of an organelle, an organized structure of distinctive morphology and function. Includes constituent parts of the nucleus, mitochondria, plastids, vacuoles, vesicles, ribosomes and the cytoskeleton, but excludes the plasma membrane.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: organelle outer membrane
Acc: GO:0031968
Aspect: Cellular Component
Desc: The outer, i.e. cytoplasm-facing in a cellular organelle, lipid bilayer of an organelle envelope.
Proteins in PDR annotated with:
   This term: 1 [Search]
   Term or descendants: 572 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0031968 - organelle outer membrane (interactive image map)
YRC Informatics Platform - Version 3.0
Created and Maintained by: Michael Riffle