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. 2010 Sep 16;6(9):e1000933. doi: 10.1371/journal.pcbi.1000933

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Rask et al.

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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HB32 (red) covering helix a and b, and HB372 (blue) covering helix c. Side chains conserved by more than 2.16 bits are shown. Green side chains are conserved hydrophobic residues. The arrow indicates Asn in the possibly surface exposed semi-conserved motif YGN at the apex of helix a and b. The conservation of residues in HB372 with 9 sequences has a high margin of error.