>6qna_C mol:protein length:243 B13 Heavy chainQVQLQESGPSLVKPSQTLSLTCTVSGLSLSDHNVGWIRQAPGKALEWLGVIYKEGDKDYNPALKSRLSITKDNSKSQVSLSLSSVTTEDTATYYCATLGCYFVEGVGYDCTYGLQHTTFHDAWGQGLLVTVSSASTTAPKVYPLSSCCGDKSSSTVTLGCLVSSYMPEPVTVTWNSGALKSGVHTFPAVLQSSGLYSLSSMVTVPGSTSGTQTFTCNVAHPASSTKVDKAVDPRCGKHHHHHH