In certain embodiments, a nucleic acid comprises {HEAD ~ a nucleic acid sequence} that hybridizes in stringent conditions to a nucleic acid sequence of SEQ ID NO:184 and encodes a polypeptide that binds to human KDR with a KD of less than 1×10 6M. In particular embodiments, nucleic acid may comprise a nucleic acid sequence selected from {TAIL ~ the group} consisting of SEQ ID NO:184 and SEQ ID 
In certain embodiments , a nucleic acid comprises { HEAD ~ a nucleic acid sequence } that hybridizes in stringent conditions to a nucleic acid sequence of SEQ ID NO:184 and encodes a polypeptide that binds to human KDR with a KD of less than 1×10 6M. In particular embodiments , nucleic acid may comprise a nucleic acid sequence selected from { TAIL ~ the group } consisting of SEQ ID NO:184 and SEQ ID
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH