1. The 19S Cap Puzzle: A New Jigsaw Piece
Eva M. Huber, Michael Groll 
Structure 
Volume 20, Issue 3, Pages (March 2012)
DOI: /j.str
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2. Figure 1
Structural Comparison of Prominent Proteins with Solenoid Fold
The crystal structures of Rpn2 (green; Protein Data Bank [PDB] ID 4ADY), Blm10 (red; PDB ID 1VSY), and importin-β (blue; PDB ID 1QGK) are shown. The size of the structures indicates their real proportions.
(Left) Top view on the solenoid structures of Rpn2 (104 kDa), Blm10 (246 kDa), and importin-β (97 kDa).
(Right) Side view on Rpn2, Blm10, and importin-β. The α helices of the toroid-like fold are oriented horizontally.
Structure  , DOI: ( /j.str )
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