| 1 | MCF_Pos_AB | BBa_25USX7KG | Basic Part | Plasmid Backbone | MoCloFlex Position Vector AB from https://www.frontiersin.org/journals/bioengineering-and-biotechnology/articles/10.3389/fbioe.2019.00271/full |
| 2 | MCF_Pos_CD | BBa_253ROOBB | Basic Part | Plasmid Backbone | MoCloFlex Position Vector CD from https://www.frontiersin.org/journals/bioengineering-and-biotechnology/articles/10.3389/fbioe.2019.00271/full |
| 3 | MCF_Pos_EF | BBa_25LZZPKF | Basic Part | Plasmid Backbone | MoCloFlex Position Vector EF from https://www.frontiersin.org/journals/bioengineering-and-biotechnology/articles/10.3389/fbioe.2019.00271/full |
| 4 | MCF_Pos_GH | BBa_25T60D9F | Basic Part | Plasmid Backbone | MoCloFlex Position Vector GH from https://www.frontiersin.org/journals/bioengineering-and-biotechnology/articles/10.3389/fbioe.2019.00271/full |
| 5 | MCF_Pos_IJ | BBa_255UK1EW | Basic Part | Plasmid Backbone | MoCloFlex Position Vector IJ from https://www.frontiersin.org/journals/bioengineering-and-biotechnology/articles/10.3389/fbioe.2019.00271/full |
| 6 | L0_entry_Vector | BBa_25W08SJQ | Basic Part | Plasmid Backbone | Plasmid backbone with drop-out GFP |
| 7 | J23100 | BBa_J23100 | Basic Part | Promoter | The J23100 Anderson promoter is a strong, constitutive promoter from the iGEM Anderson library, widely used as a high-expression benchmark in E. coli. |
| 8 | J23114 | BBa_J23114 | Basic Part | Promoter | The J23114 Anderson promoter is a constitutive promoter from the iGEM Anderson library with lower strength than J23100, yielding modest, steady transcription in E. coli |
| 9 | pqdoI + RBS | BBa_25BPYX9D | Basic Part | Promoter | PqdoI is the QdoR-regulated promoter from the qdoI operon (e.g., Bacillus), repressed by QdoR and activated by flavonols like kaempferol (and quercetin). It’s used as a small-molecule–inducible promoter to drive expression in response to kaempferol. |
| 10 | pVan | BBa_2519OUCA | Basic Part | Promoter | pVan is the vanillic acid–inducible output promoter in the Marionette E. coli strains, activated by the VanR regulator to give high dynamic range with low leak and minimal cross-talk. It’s used to drive gene expression specifically in response to vanillic acid |
| 11 | pTet | BBa_25JNK0I4 | Basic Part | Promoter | pTet is the TetR-repressible promoter that’s induced by tetracycline/anhydrotetracycline (aTc); TetR blocks transcription until inducer binding relieves repression. In Marionette E. coli, it serves as an output promoter with low leak and strong induction in response to aTc. |
| 12 | Plac | BBa_25OH37D3 | Basic Part | Promoter | pLac is the classic LacI-repressible, IPTG/lactose-inducible σ⁷⁰ promoter from E. coli; LacI blocks transcription at the operator until inducer binding relieves repression. |
| 13 | pL_lac0_1 | BBa_J428041 | Basic Part | Promoter | Strong LacI and Lambda-CI repressible promoter. Promoter was originally derived by hybridizing the pL promoter from lambda phage with lacO sites. |
| 14 | B0034 | BBa_J428038 | Basic Part | RBS | BBa_B0034 for MoClo Level 0 with 7bp scar/spacer |
| 15 | sfGFP | BBa_25F7XNIC | Basic Part | CDS | sfGFP (superfolder GFP) is a monomeric green fluorescent protein engineered with folding mutations for high brightness, rapid maturation, and robust folding even at 37 °C and in difficult fusions. It’s widely used as a reporter or fusion tag, with excitation ~488 nm and emission ~510 nm. |
| 16 | mCherry | BBa_2554G8BU | Basic Part | CDS | mCherry is a monomeric red fluorescent protein (Ex/Em ~587/610 nm) with fast maturation and good photostability, widely used as a reporter and fusion tag. |
| 17 | mTagBFP | BBa_K592100 | Basic Part | CDS | This part codes for the bright blue fluorescent protein mTagBFP. mTagBFP is a monomeric protein with a narrow fluorescence emission spectrum with a maximum at 456 nm. It has a tyrosine-based chromophore, giving it substantially higher brightness, faster chromophore maturation and higher pH stability than blue fluorescent proteins with a histidine in the chromophore. |
| 18 | mScarlett | BBa_25IT4NB1 | Basic Part | CDS | mScarletis a bright, monomeric red fluorescent protein with fast maturation and high quantum yield (Ex/Em ~569/594 nm), ideal as a reporter or fusion tag. |
| 19 | Qdor | BBa_252CF98L | Basic Part | CDS | QdoR is a MarR-family transcriptional repressor that binds the pqdoI operator and blocks transcription; flavonols like kaempferol (and quercetin) reduce its DNA affinity to induce expression |
| 20 | VanR | BBa_25G4NKL | Basic Part | CDS | VanR is the vanillic acid–responsive transcription factor that controls the pVan promoter; binding vanillate modulates its DNA affinity to turn on target gene expression with low leak and high dynamic range. |
| 21 | ECH | BBa_25R9DFSZ | Basic Part | CDS | ECH (enoyl-CoA hydratase/aldolase) catalyzes the key step of the CoA-dependent ferulate pathway, converting feruloyl-CoA to vanillin (via a β-hydroxy intermediate) and acetyl-CoA. |
| 22 | FCS | BBa_25YBLOQG | Basic Part | CDS | Fcs (feruloyl-CoA synthetase) activates ferulate to feruloyl-CoA using ATP and CoA, forming AMP and PPi. It’s the entry enzyme of the CoA-dependent ferulate→vanillin pathway, feeding substrates to ECH and then Vdh. |
| 23 | LacI-AM | BBa_2590H0LP | Basic Part | CDS | LacI_AM is an engineered LacI repressor used in Marionette E. coli that tightly represses pLac with low leak and strong dynamic range, and is specifically inducible by IPTG. It’s optimized for orthogonality and consistent performance across the Marionette sensor set. |
| 24 | TetR-AM | BBa_25FFU03N | Basic Part | CDS | TetR_AM is an engineered TetR repressor used in Marionette E. coli that tightly controls pTet, showing very low leak and high dynamic range. It’s specifically inducible by tetracycline/anhydrotetracycline (aTc) and optimized for orthogonality across the sensor set. |
| 25 | Cufls | BBa_25Y70HTS | Basic Part | CDS | cuFLS (flavonol synthase) is an Fe(II)/2-oxoglutarate–dependent dioxygenase that converts dihydrokaempferol into kaempferol (and related flavonols). It’s commonly used in engineered pathways to boost kaempferol production. |
| 26 | cis3h | BBa_25XPKX63 | Basic Part | CDS | cisF3H (flavanone 3-hydroxylase, likely from Citrus sinensis) is an Fe(II)/2-oxoglutarate–dependent dioxygenase that converts flavanones (e.g., naringenin) to dihydroflavonols (e.g., dihydrokaempferol), a key upstream step in kaempferol biosynthesis. |
| 27 | EF_J23100_cufls+cis3h | BBa_25Q96FFK | Composite part | Composite | This construct places cisF3H and cuFLS in a single operon under the strong constitutive J23100 promoter. cisF3H converts flavanones (e.g., naringenin) to dihydroflavonols, and cuFLS then produces kaempferol |
| 28 | MCF_Pos_AB + p15a | BBa_25BXR8T0 | Composite part | Plasmid Backbone | Adjusted MoCloFlex Position AB Plasmid backbone with p15a Ori |
| 29 | MCF_AB_no_Ori | BBa_25PJXD4U | Basic Part | Plasmid Backbone | MocloFlex Position AB Plasmid backbone with cutting sites to swap out Ori |
| 30 | BC_Linker | BBa_25W7GVGY | Basic Part | Linker | Part that links MoCloFlex Position Vectors AB with CD |
| 31 | CD_SmR | BBa_259MEHJ6 | Composite part | Antibiotic Resistance | Spectinomycin Resistance cassette on MocloFlex Position CD Plasmid Backbone |
| 32 | DF_Linker | BBa_25JMI1VR | Basic Part | Linker | Part that links MoCloFlex Position Vectors CD with EF but rotates the direction of EF |
| 33 | EF_pqdoI_sfGFP | BBa_25ELZQOF | Composite part | Composite | sfGFP inducible by Kaempferol |
| 34 | EG_Linker | BBa_25QMW3D4 | Basic Part | Composite | Part that links MoCloFlex Position Vectors EF with GH but rotates the direction of EF |
| 35 | GH_J23114_Qdor | BBa_257RMT91 | Composite part | Composite | Qdor moderately expressed |
| 36 | HI_Linker | BBa_253EDVDS | Basic Part | Linker | Part that links MoCloFlex Position Vectors GH with IJ |
| 37 | IJ_J23100_mCherry | BBa_25UVAOFA | Composite part | Composite | Strongly expresses mCherry |
| 38 | JA_Linker | BBa_252PH30R | Basic Part | Linker | Part that links MoCloFlex Position Vectors IJ with AB |
| 39 | EF_pVan_sfGFP | BBa_25ZD8EEI | Composite part | Composite | sfGFP inducible by Vanillic acid |
| 40 | GH_J23114_VanR | BBa_25VGOVPE | Composite part | Composite | Moderately expresses VanR |
| 41 | EF_pvan_mTagBFP | BBa_25V6JOSO | Composite part | Composite | mTagBFP inducible by Vanillin acid |
| 42 | B0015 | BBa_J428092 | Basic Part | Terminator | B0015 is a strong, standard BioBrick double terminator (rrnB T1 + T7Te) that provides highly efficient transcriptional termination and minimizes read-through. It’s widely used to insulate transcription units and stabilize expression. |
| 43 | MC L0 PcymRC | BBa_25143IE9 | Basic Part | Promoter | Robust, tunable induction with cuminic acid. Useful for combinatorial tuning with minimal cross-talk in multi-inducer setups. |
| 44 | MC L0 pPhlf | BBa_2585P3D3 | Basic Part | Promoter | Tight, orthogonal induction with 2,4-diacetylphloroglucinol (DAPG). Adds an independent expression “channel” for multiplex control. |
| 45 | MC L0 pttg | BBa_251N6Q25 | Basic Part | Promoter | Flavonoid-responsive channel suited to metabolic engineering or biosynthesis demos; strong induction with controlled leak. |
| 46 | MC L0 p3B5B | BBa_25LGVXAV | Basic Part | Promoter | An additional benzene-derivative–responsive channel (3,4-dihydroxybenzoic acid), handy when many independent knobs are needed. |
| 47 | MC L0 pSalTCC | BBa_25ZYRA0N | Basic Part | Promoter | Salicylate-responsive expression with low background; good companion channel in multiplex designs. |
| 48 | MC L0 pCin | BBa_25S6UI57 | Basic Part | Promoter | A quorum-sensing–style promoter responsive to long-chain AHL (3-hydroxytetradecanoyl-HSL); useful for cell–cell communication modules. |
| 49 | AB_pTet_ECH | BBa_25RULR65 | Composite part | Composite | This construct drives ECH (enoyl-CoA hydratase/aldolase) from the pTet promoter, enabling aTc/tetracycline-inducible expression. In TetR-controlled systems (e.g., Marionette), it stays tightly repressed with low leak until induction, allowing timed flux through the ferulate→vanillin pathway |
| 50 | CD_plac_FCS | BBa_25T9RABL | Composite part | Composite | This construct expresses Fcs (feruloyl-CoA synthetase) from the pLac promoter, giving IPTG-tunable induction under LacI control. Inducing boosts conversion of ferulate → feruloyl-CoA, feeding the upstream step of the vanillin pathway |
| 51 | EF_J23100_LacI | BBa_25LQMIMM | Composite part | Composite | This construct places LacI under the strong constitutive J23100 promoter in the MoCloFlex Position Vector EF, so it continuously supplies LacI to repress pLac modules. |
| 52 | GH_J23100_TetR | BBa_255PO8JP | Composite part | Composite | This construct places TetR under the strong constitutive J23100 promoter in the MoCloFlex Position Vector GH, providing continuous TetR to repress pTet modules. |
| 53 | CD_GmR | BBa_256OYJG | Composite part | Antibiotic Resistance | Gentamicin Resistance cassette on MocloFlex Position CD Plasmid Backbone |
| 54 | Destination Vector XY | BBa_25BPPV6F | Basic Part | Plasmid Backbone | MoCloFlex Destination Vector XY carries the X–Y destination motifs (BbsI) flanking a ccdB/lacZ dropout, so assemblies from position vectors are delivered via end-linkers into the final plasmid—and it supports iterative rounds of cloning while staying MoClo-compatible. |
| 55 | CA Linker | BBa_25AU5UVU | Basic Part | Linker | Part that links MoCloFlex Position Vectors AB with CD |
| 56 | XB Linker | BBa_25VJTOV7 | Basic Part | Linker | Part that links MoCloFlex Destination Vector XY with Position Vector AB |
| 57 | HY Linker | BBa_25A27SRE | Basic Part | Linker | Part that links MoCloFlex Destination Vector XY with Position Vector GH |
| 58 | EY Linker | BBa_25IQE7EW | Basic Part | Linker | Part that links MoCloFlex Destination Vector XY with Position Vector EF |
| 59 | IJ_plac01_cufls | BBa_2544HX34 | Composite part | Composite | This construct expresses cuFLS (flavonol synthase; an Fe(II)/2-oxoglutarate dioxygenase that converts dihydrokaempferol → kaempferol) from the IPTG-inducible pLac01 promoter in the MoCloFlex Position Vector IJ |
| 60 | CD_ptet_cisf3h | BBa_25693ONF | Composite part | Composite | his construct expresses cisF3H (flavanone 3-hydroxylase; Fe(II)/2-oxoglutarate dioxygenase converting flavanones → dihydroflavonols) from the pTet promoter in the MoCloFlex Position Vector CD |
| 61 | Kaempferol Sensor L2 | BBa_25D2WDUC | Composite part | Composite | This MoCloFlex L2 construct sits on a p15A backbone with spectinomycin resistance and comprises three modules: (1) pqdoI→sfGFP as a kaempferol-inducible reporter TU, (2) QdoR driven by J23114 to repress pqdoI with low leak until inducer is present, and (3) mCherry under strong J23100 as a constitutive normalization/visual marker. Kaempferol specifically lifts QdoR repression to induce GFP, while mCherry provides a constant reference signal for ratiometric readouts |
| 62 | Vanillin Sensor L2 | BBa_25327WS6 | Composite part | Composite | This MoCloFlex L2 construct contains three modules on a p15A, spectinomycin-resistant backbone: (1) pVan→sfGFP as an inducible reporter TU, (2) VanR driven by J23114 for moderate, low-leak control of pVan, and (3) mCherry under strong J23100 as a constitutive normalization/visual marker. Vanillic acid (vanillate) specifically induces GFP via VanR–pVan, while mCherry provides a constant reference signal for ratiometric readouts |
| 63 | Kaempferol Pathway L2 | BBa_2584WSJ4 | Composite part | Composite | This MoCloFlex L2 construct contains two inducible pathway TUs—pLac→cuFLS (IPTG-tunable conversion of dihydrokaempferol → kaempferol) and pTet→cisF3H (aTc/tetracycline-inducible hydroxylation of flavanones → dihydroflavonols)—plus two regulator TUs, J23114→LacI and J23114→TetR, to keep pLac and pTet tightly repressed at baseline |
| 64 | Vanillin Pathway XY L2 | BBa_253AIYTG | Composite part | Composite | This MoCloFlex L2 construct is assembled on the Destination Vector XY backbone and comprises four TUs: pTet→ECH to enable aTc/tetracycline-inducible flux through the ferulate→vanillin pathway, pLac→Fcs for IPTG-tunable activation of ferulate to feruloyl-CoA, J23114→TetR to keep pTet tightly repressed until induction, and J23114→LacI to repress pLac with low leak. Together, LacI/TetR provide moderate, constitutive repressor levels for clean ON/OFF control, while the XY destination backbone keeps the assembly MoCloFlex-compatible for iterative builds |