>4ybq_D mol:protein length:136 antibody Fv fragment heavy chain LEVNLVESGGGLVQPGGSRKLSCAASGFTFSSFGMHWVRQAPEKGLEWVAHISSGSRTI DYADTVKGRFTISRDNPKNTLFLQMTSLRSEDTAIYYCARGNGYYDALDYWGQGTSVTV SSAKTTPPSVTSENLYFQ