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An external encapsulating structure part of the chorion. A single cone-shaped specialization that forms an opening in the chorion that allows sperm entry into the egg prior to fertilization. The outer membrane around a bacterial endospore, located between the endospore cortex and endospore coat. Loosely bound to one surface of the outer membrane of the cell, but not integrated into the hydrophobic region. The layer in a bacterial endospore that lies under the exosporium, and is impermeable to many toxic molecules. The coat may also contain enzymes that are involved in endospore germination. The outermost layer of a bacterial endospore, which is loosely attached and located outside of the endospore coat. It is generally composed of protein, carbohydrate, and perhaps lipid. A structure that lies outside the plasma membrane and surrounds the entire cell. The basic structural and functional unit of all organisms. Includes the plasma membrane and any external encapsulating structures such as the cell wall and cell envelope. Located in the periplasmic space and loosely bound to the surface of the plasma membrane that faces away from the cytoplasm, but not integrated into the hydrophobic region. Any constituent part of an external encapsulating structure, a structure that lies outside the plasma membrane and surrounds the entire cell. Located in the plasma membrane such that some covalently attached portion of the gene product, for example part of a peptide sequence or some other covalently attached moiety such as a GPI anchor, spans or is embedded in one or both leaflets of the membrane, with the bulk of the gene product located in the periplasmic space. The part of a cell or its extracellular environment in which a gene product is located. A gene product may be located in one or more parts of a cell and its location may be as specific as a particular macromolecular complex, that is, a stable, persistent association of macromolecules that function together. Located in the cell outer membrane such that some covalently attached portion of the gene product, for example part of a peptide sequence or some other covalently attached moiety such as a GPI anchor, spans or is embedded in one or both leaflets of the membrane. The side of the outer membrane that faces the periplasm of the cell. The side of the outer membrane that is opposite to the side that faces the periplasm of the cell. The region between the inner (cytoplasmic or plasma) membrane and outer membrane of organisms with two membranes such as Gram negative bacteria. These periplasmic spaces are relatively thick and contain a thin cell wall. Any constituent part of a cell, the basic structural and functional unit of all organisms. Any constituent part of the cell wall, the rigid or semi-rigid envelope lying outside the cell membrane of plant, fungal, and most prokaryotic cells, maintaining their shape and protecting them from osmotic lysis. A lipid bilayer that forms the outermost layer of the cell envelope; enriched in polysaccharide and protein; the outer leaflet of the membrane contains specific lipopolysaccharide structures. A layer surrounding a bacterial endospore found inside the outer endospore membrane, but outside the membrane surrounding the endospore core. It consists of peptidoglycan of a different chemical nature than that found in vegetative cell walls which results in less cross-linking of peptidoglycan.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: external encapsulating structure part
Acc: GO:0044462
Aspect: Cellular Component
Desc: Any constituent part of an external encapsulating structure, a structure that lies outside the plasma membrane and surrounds the entire cell.
Proteins in PDR annotated with:
   This term: 0
   Term or descendants: 566 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0044462 - external encapsulating structure part (interactive image map)
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