Methods of identifying compositions which affect hedgehog activity based on {HEAD ~ inhibition} of {TAIL ~ cholesterol modification} of hedgehog protein are described 
Methods of identifying compositions which affect hedgehog activity based on { HEAD ~ inhibition } of { TAIL ~ cholesterol modification } of hedgehog protein are described
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH