Immunogen sequence: MSALGAVIAL LLWGQLFAVD SGNDVTDIAD DGCPKPPEIA HGYVEHSVRY QCKNYYKLRT EGDGVYTLND KKQWINKAVG DKLPECEADD GCPKPPEIAH; Positive Samples: HepG2, MCF7, HL-60, Mouse liver, Mouse lung, Mouse spleen, Rat lung, Rat spleen. Haptoglobin is an a2-glo