>6vun_B mol:protein length:236 Single-chain FvMEVQLVESGGGLVQPGGSLRLSCAASGFSLSTSGIGVTWVRQAPGKGLEWLATIWWDDDNRYADSVKGRFTISADTSKNTAYLQMNSLCAEDTAVYYCAQSAITSVTDSAMDHWGQGTLVTVSSGGGGSDIQMTQSPSSLSASVGDRVTITCRASQDISSYLNWYQQKPGKAPKLLIYYTSSLHSGVPSRFSGSRSGTDFTLTISSLQPEDFATYYCQQYSKFPWTFGQGTKVEIK