>8tb7_N mol:protein length:122 Fab hinge-binding nanobodyGSQVQLQESGGGLVQPGGSLRLSCAASGRTISRYAMSWFRQAPGKEREFVAVARRSGDGAFYADSVQGRFTVSRDDAKTVYLQMNSLKPEDTAVYYCAIDSDTFYSGSYDYWGQGTQVTVSS