Figure 3 - full size

 

Figure 3.
Fig. 3. Experimental density (2F[o] F[c]) for the 186-loop of tPA, showing the cluster of Arg186A, Gln186C, His188. Gly19 of the activation peptide is adjacent to this loop (lower right), as is the strand His159-Arg161 (bottom). Orientation as in Fig. 1.

The above figure is reprinted by permission from the ASBMB: J Biol Chem (1997, 272, 21713-21719) copyright 1997.