>4ybq_F mol:protein length:136 antibody Fv fragment heavy chainLEVNLVESGGGLVQPGGSRKLSCAASGFTFSSFGMHWVRQAPEKGLEWVAHISSGSRTIDYADTVKGRFTISRDNPKNTLFLQMTSLRSEDTAIYYCARGNGYYDALDYWGQGTSVTVSSAKTTPPSVTSENLYFQ