1 Assays for research purposes; Biochemicals, namely, polypeptides for in vitro research use; Diagnostic preparations for clinical or medical laboratory use; Diagnostic reagents for scientific or research use; Polypeptide based binding molecules for specific binding, identification and/or tagging of biological molecules in research, diagnostic and/or therapeutic applications; Polypeptide based binding molecules for specific binding, identification and/or tagging of biological molecules in research, diagnostic and/or therapeutic applications, namely, immunoassays, immunodiagnostics, and immunohistochemical procedures