Immunogen sequence: VPPEDDASGS ESFQSNAQKI IPPLFSYRLA QQQLKEMKKK GLTETTKVYH VSQSPLTDTA IDAAPSAPLD LESPEEAAAN KFRIKSPFPE QPAVSAGERP PSRLDLNVTQ. The protein encoded by this gene contains a type 1 thrombospondin domain, which is found in a number of proteins