 an HVR H1 comprising {HEAD ~ the amino acid sequence} of {TAIL ~ SEQ ID NO:64} 
an HVR H1 comprising { HEAD ~ the amino acid sequence } of { TAIL ~ SEQ ID NO:64 }
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL