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--- glossary:beta_propellor [2008/08/07 11:18] – cuff
+++ glossary:beta_propellor [2008/09/17 11:05] (current) – garner
@@ Line 1: / Line 1: @@
+{{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}}

CATH