DNA binding proteins binding DNA
||Preliminary version of this class of proteins. This group includes the famous 'homeobox motif' involved in animal bodyplan specification
||Named for the way two alpha helices 'zip together' by way of leucine sidechains that project from each
Stretches of amino acids are non-covalently bonded to zinc atoms; when drawn as 2D structures on paper, these (kinda) look like fingers.
||(Link goes off site) Includes an animation showing how lac repressor 'bends the DNA to its will' as it binds
|Resource: summary from UC Davis
||a nice entry in their BioWiki