Immunogen sequence: VLVTLYERDE DNNLLTEKQK LRVKKIHENE KRLEAGDHPV ELLARDFEKN YNMYIFPVHW QFGQLDQHPI DGYLSHTELA PLRAPLIPME HCTTRFFETC DLDNDKYIAL DEWAGCFGIK QKDIDKDL. SPARC gene encodes a cysteine-rich acidic matrix-associated protein. The encoded protein is