In this picture, can anyone tell me where....?

Question

the enzyme actually is.

Which part of it is the enzyme?

http://en.wikipedia.org/wiki/Image:GLO1_Homo_sapiens_small_fast.gif

Answer 1

the link isnt working.

Answer 2

The whole thing.

Full-scale animation of the human enzyme, glyoxalase I (PDB accession code 1BH5). The catalytic zincs are shown in purple, whereas the inhibitor, S-hexylglutathione, is shown as van der Waals spheres, green for carbon, blue for nitrogen, red for oxygen and yellow for sulfur.

See description in link