>21aq_A mol:protein length:123 BD70-4008 heavy chainEVQLVESGGGLVKPGGSLRLSCAASGFTFSSYSMNWVRQAPGKGLEWVASISGSSAYIYYADSMKGRFTISRDNAKNSVYLQMNSLGVEDTAVYYCARDPASMLGDIGELNHWGRGIRVTVSS