x1 = IR_beta
x2 = IR_beta_pY1146
x3 = IR_beta_refractory
x4 = IRS1
x5 = IRS1_p
x6 = IRS1_pS636
x7 = AMPK
x8 = AMPK_pT172
x9 = Akt_T308
x10 = Akt_pT308
x11 = Akt_S473
x12 = Akt_pS473
x13 = mTORC1
x14 = mTORC1_pS2448
x15 = mTORC2
x16 = mTORC2_pS2481
x17 = p70S6K
x18 = p70S6K_pT389
x19 = PRAS40_T246
x20 = PRAS40_pT246
x21 = PRAS40_S183
x22 = PRAS40_pS183
x23 = TSC1_TSC2_pT1462
x24 = TSC1_TSC2_pS1387
x25 = PI3K_variant
x26 = PI3K_variant_p
x27 = Insulin
x28 = Amino_Acids
x29 = IR_beta_pY1146_obs
x30 = IRS1_pS636_obs
x31 = AMPK_pT172_obs
x32 = Akt_pT308_obs
x33 = Akt_pS473_obs
x34 = TSC1_TSC2_pS1387_obs
x35 = mTOR_pS2448_obs
x36 = mTOR_pS2481_obs
x37 = p70S6K_pT389_obs
x38 = PRAS40_pT246_obs
x39 = PRAS40_pS183_obs