1. Building a Metal Binding Domain, One Half at a Time
Sarah L.J Michel, Jeremy M Berg 
Chemistry & Biology 
Volume 9, Issue 6, Pages (June 2002)
DOI: /S (02)

2. Figure 1 Alternative Zinc Binding Modes
In the TAZ domain structure, the Cys-C4-Cys loop and the His-X4-Cys helix bind to different metal ions. In the CHANCE domain fold, these two substructures come together to form a novel zinc-binding module.
Chemistry & Biology 2002 9, DOI: ( /S (02) )