| BBa_25UAWIT4 | Coding | m-hTPH1 (Tryptophan 5-hydroxylase 2), an enzyme which is involved in the first step of serotonin biosynthesis, converting L-tryptophan into 5-HTP. | Basic Part |
| BBa_25B8Y7Z3 | Coding | hPCDB1 (Pterin-4-alpha-carbinolamine dehydratase), an enzyme which accelerates the formation of MH2 (Dihydromonapterin). | Basic Part |
| BBa_25FVZG9V | Coding | hQDPR-C-Flag (Dihydropteridine reductase), and enzyme which catalyzes the conversion of MH2 (Dihydromonapterin) into MH4 (5,6,7,8-tetrahydrobiopterin). | Basic Part |
| BBa_25IP3NXW | Coding | TDC-C-His (Aromatic-L-amino-acid decarboxylase), an enzyme which catalyzes the decarboxylation of L-tryptophan to tryptamine and L-5-hydroxytryptophan to serotonin. | Basic Part |
| BBa_25RJYKMY | Coding | SNAT-N-His (Serotonin N-acetyltransferase), enzyme which catalyzes the penultimate step in the synthesis of melatonin, converting N-acetylation of serotonin into N-acetylserotonin. | Basic Part |
| BBa_25J405LE | Coding | COMT-N-Flag (Flavone 3'-O-methyltransferase 1), enzyme which catalyzes the final methylation step in the melatonin synthesis pathway, converting N-acetylserotonin (NAS) into melatonin. | Basic Part |
| BBa_25IXNS8H | Coding | MBP-AcrB-His (Acridine resistance protein B), which can catalyze the direct, four-electron reduction of fatty acyl-CoAs to their corresponding fatty alcohols | Basic Part |
| BBa_25XVCT22 | Coding | G6PD-HA (Glucose-6-phosphate dehydrogenase), to produce NADPH | Basic Part |
| BBa_2533I9RA | Coding | MBP-WS/DGAT-flag (Wax Ester Synthase / Acyl-CoA:Diacylglycerol Acyltransferase), a key enzyme in neutral lipid synthesis | Basic Part |
| BBa_25LEDVII | Coding | λ Repressor-Myc, which can encode the cI repressor protein from bacteriophage lambda. | Basic Part |
| BBa_25UYV4GP | Plasmid_Backbone | pBluescript II sk(+), a high-copy number plasmid backbone | Basic Part |
