Clone 1F3 recognizes a distinct STX2 epitope, providing complementary detection to Clone 1A10. This monoclonal antibody supports sensitive measurement in ELISA, Western blotting, and antigen‑capture workflows, offering strong affinity and minimal nonspecific binding. MSTX‑55A‑1F3 is well suited for toxin detection assays, food safety research, and studies examining E. coli virulence. Its reproducible performance ensures dependable detection across diverse sample matrices.