In an alternative embodiment, {HEAD ~ the portion} is selected from {TAIL ~ SEQ ID NO:33}, SEQ ID NO:34, SEQ ID NO:35, SEQ ID NO:36, SEQ ID NO:37 and SEQ ID NO:38 
is selected from
In an alternative embodiment , { HEAD ~ the portion } is selected from { TAIL ~ SEQ ID NO:33 } , SEQ ID NO:34 , SEQ ID NO:35 , SEQ ID NO:36 , SEQ ID NO:37 and SEQ ID NO:38
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH