It is understood that some forms of the protein may have additional N terminal amino acids which may occur, for example, as {HEAD ~ a result} of {TAIL ~ incomplete processing} or hydrolysis of the signal sequence 
It is understood that some forms of the protein may have additional N terminal amino acids which may occur , for example , as { HEAD ~ a result } of { TAIL ~ incomplete processing } or hydrolysis of the signal sequence
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH