Article
Buried hydrophobic side-chains essential for the folding of the parallel beta-helix domains of the P22 tailspike.
Protein science : a publication of the Protein Society - 1 Sept 2004
Betts Scott, Haase-Pettingell Cameron, Cook Kristen, King Jonathan
Abstract excerpt
The processive beta-strands and turns of a polypeptide parallel beta-helix represent one of the topologically simplest beta-sheet folds. The three subunits of the tailspike adhesin of phage P22 each contain 13 rungs of a parallel beta-helix followed by an interdigitated section of triple-stranded beta-helix. Long stacks of hydrophobic residues dominate the elongated buried core of these two beta-helix domains and...
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