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glossary:beta_propellor [2008/09/17 11:05]
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glossary:beta_propellor [2008/09/17 11:05] (current)
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 +{{tag>beta}}
 +
 +
 +======  Beta Propellor =======
 +
 +This fold comprises 4, 6, 7 or 8 antiparallel beta sheets with a radial arrangement in space, giving the overall structure the appearance of a propellor. The beta sheets
 +pack face to face, and form a closed structure, in which each beta sheet packs against
 +two neighbours. The sheets have a mean twist and orientation that depends on the
 +number of beta sheets that form the propellor. The beta sheets have the same topology,
 +i.e. the propellor blades are structurally similar units (four antiparallel strands
 +with +1, +1, +1 connectivity).
 +An example of a six-bladed beta propellor is neuraminidase (CATH domain ID 1nscA00).
 +
 +{{cath:feature>1nscA00}}
 +
 +===== References =====
 +
 +{{pubmed>long:1409568}}
 +
 +
 +
  
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