MCF.2 cell line derived transforming sequence-like 2 MQQEVRPLMA VEIIEQLHRQ FAILSGGRGE DGAPIITFPE FSGFKHIPDE DFLNVMTYLT SIPSVEAASI GFIVVIDRRR DKWSSVKASL TRIAVAFPGN LQLIFILRPS RFIQRTFTDI GIKY