 an HVR H3 comprising {HEAD ~ the amino acid sequence} of {TAIL ~ SEQ ID NO:66}, 
an HVR H3 comprising { HEAD ~ the amino acid sequence } of { TAIL ~ SEQ ID NO:66 } ,
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH