x1 = IR_beta
x2 = IR_beta_pY1146
x3 = IR_beta_refractory
x4 = IRS
x5 = IRS_p
x6 = IRS_pS636
x7 = AMPK
x8 = AMPK_pT172
x9 = Akt
x10 = Akt_pT308
x11 = Akt_pS473
x12 = Akt_pT308_pS473
x13 = TSC1_TSC2
x14 = TSC1_TSC2_pT1462
x15 = TSC1_TSC2_pS1387
x16 = mTORC1
x17 = mTORC1_pS2448
x18 = mTORC2
x19 = mTORC2_pS2481
x20 = p70_S6K
x21 = p70_S6K_pT229
x22 = p70_S6K_pT389
x23 = p70_S6K_pT229_pT389
x24 = PRAS40
x25 = PRAS40_pT246
x26 = PRAS40_pS183
x27 = PRAS40_pT246_pS183
x28 = PI3K_variant
x29 = PI3K_variant_p
x30 = PI3K_PDK1
x31 = PI3K_p_PDK1
x32 = Insulin
x33 = Amino_Acids
x34 = IR_beta_pY1146_obs
x35 = IRS_pS636_obs
x36 = AMPK_pT172_obs
x37 = Akt_pT308_obs
x38 = Akt_pS473_obs
x39 = TSC1_TSC2_pS1387_obs
x40 = mTOR_pS2448_obs
x41 = mTOR_pS2481_obs
x42 = p70_S6K_pT229_obs
x43 = p70_S6K_pT389_obs
x44 = PRAS40_pT246_obs
x45 = PRAS40_pS183_obs