cd3_primary_cells rs6426551 226542049 LEFTY1 chr1_226540000_226545000 chr1_226095000_226100000 fibroblasts_fetal_skin_biceps_left rs6426551 226542049 LEFTY1 chr1_226540000_226545000 chr1_226075000_226080000 fibroblasts_fetal_skin_biceps_left rs6426551 226542049 LEFTY1 chr1_226540000_226545000 chr1_226095000_226100000