Computer analysis of the predicted amino acid sequence of the envelope protein of the HTLVIII B and ARV 2 isolates of HIV established the secondary structure and {HEAD ~ location} of {TAIL ~ hydrophilic regions} 
Computer analysis of the predicted amino acid sequence of the envelope protein of the HTLVIII B and ARV 2 isolates of HIV established the secondary structure and { HEAD ~ location } of { TAIL ~ hydrophilic regions }
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 HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL