For example, the adrenomedullin peptide comprises {HEAD ~ adrenomedullin} having {TAIL ~ the sequence}: 
having
For example , the adrenomedullin peptide comprises { HEAD ~ adrenomedullin } having { TAIL ~ the sequence } :
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH