>4nik_B mol:protein length:256 Single-chain Fv fragment antibodyMAEVQLVESGGSLVKPGGSLRLSCAASGFTFSNYSMNWVRQAPGKGLEWISSISGSSRYIYYADFVKGRFTISRDNATNSLYLQMNSLRAEDTAVYYCVRGVIDKFDYWGRGTLVTVSAGGGGSGGGGSGGGGSQSVLTQPASVSGSPGQSITISCAGTSSDVGGYNYVSWYQQHPGKAPKLMIYEDSKRPSGVSNRFSGSKSGNTASLTISGLQAEDEADYYCISYISSNTRLFGGGTKLAVLGAAASAHHHHHH