In {HEAD ~ addition} to proteolytic fragmentation, the vertebrate hedgehog proteins can also be modified post translationally, such as by glycosylation, though bacterially produced forms of the proteins apparently still maintain some of {TAIL ~ the activity} of the native protein 
In { HEAD ~ addition } to proteolytic fragmentation , the vertebrate hedgehog proteins can also be modified post translationally , such as by glycosylation , though bacterially produced forms of the proteins apparently still maintain some of { TAIL ~ the activity } of the native protein
OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH