For instance, sonic hedgehog undergoes additional proteolytic processing to yield {HEAD ~ two peptides} of {TAIL ~ approximately 19 kDa} and 27 kDa, both of which are secreted 
of
For instance , sonic hedgehog undergoes additional proteolytic processing to yield { HEAD ~ two peptides } of { TAIL ~ approximately 19 kDa } and 27 kDa , both of which are secreted
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH