Provided below are ELISA kits targeting tolloid like 1, a human protein encoded by TLL1. This protein is 1013 amino acids long with a reported mass of 114.7 kDa. 2 isoforms have been identified. This is reported to be a secreted protein. It is also an enzyme classified as a(n) peptidase (broad). There is a noted implication in Atrial septal defect 6. Other alias names for this protein include: tolloid-like protein 1, ASD6, and TLL.