Reacts equally with free cardiac troponin I (cTnI) and cTnI forming complexes with other troponin components. Not affected by heparin, phosphorylation and oxidation. Recognizes an epitope located between amino acid residues 27 and 43 of cTnI. Reactive with cTnI from human, monkey, mouse, rat, canine, rabbit and bovine.

Store at 2-8 °C.