Anti-PCT clone P298-3-1-73-51 is a mouse monoclonal antibody against human Procalcitonin (PCT), a 116-amino acid peptide precursor of the hormone calcitonin, that is used as a biomarker to aid in diagnosis of bacterial infection or sepsis. The antibody is produced exclusively under serum-free conditions from hybridoma and purified through one-step purification with Protein-A affinity chromatography.