Immunogen sequence: YFVDFSVRNC PRHHFPRHPN VFGFCRADLF YDVEALDLES PKNLVINCEV FDPQEHENIN GVPPHLGHPF HWGGHERSST TKPPFKPHGS RDHHHPH Highest antigen sequence identity to the following orthologs: Mouse - 52%, Rat - 47%. HRG contains two cystatin-like domains an