>6qna_B mol:protein length:214 B4 light chainQAVLTQPPSVSGSLGQRVSITCSGSSSNIGRWGVNWYQQVPGSGLRTIIYYESSRPSGVPDRFSGSKSGNTATLTISSLQAEDEADYFCATGDYNIAVFGSGTTLIVMGQPKSPPSVTLFPPSTEELNGNKATLVCLISDFYPGSVTVVWKADGSTITRNVETTRASKQSNSKYAASSYLSLTSSDWKSKGSYSCEVTHEGSTVTKTVKPSECS