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Keyword - Archaeal flagellum (KW-0974)

Definition

Archaeal protein present in a flagellum, a long hair-like cell surface appendage made of polymerized flagellin with an attached hook. This rotating structure with switches propels the cell through a liquid medium. The archaeal flagellum is distinct from its bacterial equivalent in terms of architecture, composition and mechanism of assembly. Thinner (10-15 nm) compared to the bacterial flagellum (18-24 nm), it is usually composed of several types of flagellins and is glycosylated. The archaeal flagellum is considered as a type IV pilus-like structure.

Synonyms

  • Archaeal flagella
  • Archaeal flagellar apparatus

Category

Cellular component

Gene Ontology

More...
GOi

archaeal-type flagellum [ GO:0097589 ]

Graphical

Archaeal flagellumCellular component
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