Putrescine2spermidine: (minimum(2, [AdoMet_dc, Spermine_synt_N, Spermine_synth]) or (Orn_DAP_Arg_deC and Sacchrp_dh_C))
Arginine2putrescine: (minimum(3, [AdoMet_dc, Amidinotransf, Arginase, OKR_DC_1, OKR_DC_1_7_arginine, OTCace]) or ((OKR_DC_1_5_ornithine or OKR_DC_1 or Orn_Arg_deC_N) and minimum(1, [Arginase, OTCace, OTCace_N, PAD_porph])))

TPP_AA_metabolism: (TPP_enzyme_C and not (PFL-like or PFL_6_pcresol or PFL_9_tma or Gly_radical or Gly_430_pcre or Gly_8-9_TMA or PFL_acetate1 or PFL_acetate2 or Gly_radical_scatole or PFL_proline or PFL_toluene) and minimum(2, [ALS_ss_C, AlaDh_PNT_C, Arginase, BKACE, BcrAD_BadFG, Beta_elim_lyase, CPSase_L_D2, Cys_Met_Meta_PP, ELFV_dehydrog, GRDB, Glu_syn_central, Glu_synthase, Gly_reductase, HAAA1, HG2B1, HG2B2, HGD-D, HleuD1, HleuD2, HleuS1, HleuS2, Homoserine_dh, ILVD_EDD, IlvC, Lactoyl-CoA1, Lactoyl-CoA2, Lyase_aromatic, MAAL_C, OKR_DC_1_5_lysine, OKR_DC_1_5_ornithine, OKR_DC_1_7_arginine, OKR_DC_1_C, OTCace, PALP, Proline_reductase, Sacchrp_dh_C, TPL, Thr_dehydrat_C, TnaA, Urocanase]) and not (POR or POR_N or PFOR_II))

succinate2propionate: (minimum(4, [AcetylCoA_hyd_C, AcetylCoA_hydro, B12-binding, Biotin_lipoyl, Glyoxalase_4, HMGL-like, MM_CoA_mutase, MeaB, OAD_beta, OAD_gamma, PYC_OADA]) and minimum(1, [CT_Btheta, CT_Propionyl_CoA1, CT_Propionyl_CoA2, CT_Propionyl_CoA3, CT_Vparvula]) and not Cytidylate_kin)

Fumarate2succinate: (Succ_DH_flav_C and FAD_binding_2 and (Fer2_3 or Fer4_7 or SucD_FumR))