The present invention provides two novel polypeptides, referred to as the “N” and “C” fragments of hedgehog, or N terminal and C terminal fragments, respectively, which are derived after {HEAD ~ specific cleavage} at {TAIL ~ a G′CF site} recognized by the autoproteolytic domain in the native protein 
The present invention provides two novel polypeptides , referred to as the “ N ” and “ C ” fragments of hedgehog , or N terminal and C terminal fragments , respectively , which are derived after { HEAD ~ specific cleavage } at { TAIL ~ a G′CF site } recognized by the autoproteolytic domain in the native protein
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