Figure 2.

The structure of histones, C-domains and Clp N-domains. (A) The histone of Methanothermus fervidus (1B67); the N-terminal helix-strand-helix motif in each subunit is colored yellow and the C-terminal motif green. (B) The C-domain of the helicase RuvB (1IN4); the motifs are colored as in the histone subunits. (C) Clp N-domain of ClpA (1K6K); the two helix-strand-helix motifs are colored green.

Alva et al. BMC Structural Biology 2007 7:17   doi:10.1186/1472-6807-7-17
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