The TFPI1 ELISA kits listed below utilize specific antibodies for the plate-based assay of TFPI1 in various samples. TFPI1 is another term for the TFPI gene, which encodes the protein, tissue factor pathway inhibitor in humans. The target protein is reported to inhibit factor X (X(a)) directly and, in a Xa-dependent way, inhibits VIIa/tissue factor activity, presumably by forming a quaternary Xa/LACI/VIIa/TF complex. Structurally, the TFPI protein is 304 amino acid residues in length and 35 kilodaltons in mass. However, as many as 2 protein isoforms have been identified. It is known to be a secreted protein. This protein is known to be O-glycosylated. Other names for this target antigen include EPI, EPI, and LACI. Click on the following ELISA kits for more detailed information, including target reactivity and assay sensitivity.