Provided below are ELISA kits targeting fibrinogen like 1, a human protein encoded by FGL1. This protein is 312 amino acids long with a reported mass of 36.4 kDa. This is reported to be a secreted protein. Other alias names for this protein include: fibrinogen-like protein 1, hepassocin, hepatocellular carcinoma-related sequence, hepatocyte-derived fibrinogen-related protein 1, HFREP1, HP-041, and LFIRE-1.