Figure 6 - full size

 

Figure 6.
Fig. 6. Stereoviews of the calcium-binding site. a and b, the calcium-free and calcium-bound forms of the S. violaceoruver PLA[2], respectively; c, N. naja atra PLA[2] (7). A green ball represents the calcium(II) ion. The hydrogen bonds and coordination bonds to the calcium (II) ion are shown by black broken lines.

The above figure is reprinted by permission from the ASBMB: J Biol Chem (2002, 277, 20059-20069) copyright 2002.