... al.[8],theshapeofthemoleculeresemblesaright hand: two b-sheets and the a-helix form fingers and a palm, a long loop between the B7 and B8 strands forms athumb, and a loop between the B6 and B9 strands forms acord (Fig. ... conformations of residues A10, B10 and A123 of CTX were refined. There were also signs of other conformations of surface residues A32, A37, A38,A62, A70, A83, A110, B32, B37, B57, and B70 of ... variesbetween 2 and 12 (Table 6). There is one completelyconserved salt bridge between the C-terminal Glu (or Asp) of b-strand B6 (BAX and BCX have Asp) and Arg of theloop between b-strands B7 and A6....