>7si0_K mol:protein length:123 813 Variable fragment Heavy chainSEVQLVESGGGLVQPDGSLRLSCAVSGYSITSGYSWNWIRQAPGKGLEWVASVTYDGSTNYNPSVKGRITISRDDSKNTFYLQMNSLRAEDTAVYYCARGSHYFGHWHFAVWGQGTLVTVSSG