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. 2007 Mar 16;35(7):2227–2237. doi: 10.1093/nar/gkm045

Figure 2.

Figure 2.

Ribbon representation of the six αβα-core connectivity-based structural classes. The α-helices H1 and H2, and β-strands S1 to S5, constituting the αβα-core, are shown for superposed structures belonging to each one of the new structural classes: (A) Structures 1cfr, 1knvA, 1na6B, 1wtdB, 1dc1A, 2fokA, 1fiuA and 1qc9A for class I in stereo view; (B) 1sdoA, 2bamA and 1dfmA for class II; 1sa3A and 1ynmA for class III; (C) 1xhvA, 1b94A, 1iawA and 1dmuA for class IV in stereo view; (D) 3pviA for class V and 2ixs for class VI.