Decoration of a common core. Structures of domains d1e9ga_ (a) and d1enfa1 (b) of SCOP fold b.40 (barrel, closed or partly opened n = 5, S = 10 or S = 8; greek-key). Color scheme is the same as in Figure 4. Domain (a) has 284 residues, and (b) has 100 residues. Pcli and Zscore values assigned by VAST and SHEBA to this pair are 0.1 and -1.3, respectively.