The output of this devices is the temporal derivative of the concentration of the input. A modular version of this part is also available ( ).
3A assembly between J102001 and I0462. J102001 was assembled by annealing and extending oligos.
This part was used in the construction of a biological capacitor.
This is a GFP (+LVA) generator without a terminator. GFP is under control of a tetR-repressible promoter.
Produces LuxR protein which can sense 3OC6HSL in the media and activate transcription from R0062, the right hand Lux promoter
Source is using the 3A assembly method of biobrick construction with the parts B0034 and K145015, both obtained from the 2010 iGEM DNA Distribution.
A standard ribosome binding site with an efficiency of 1.0 preceding a protein-coding sequence which codes for Green Fluorescent Protein with an LVA (degradation) tag.
Used GFP with LVA tag so that response of this parts (when used with a valid promoter and terminator) could be characterized more easily. Used high-efficiency, standard RBS so that there will be a larger dynamic range of GFP expression, which can be controlled at the gene level.
This part was obtained by taking the reverse complement of R0062, ordering appropriate oligos, then annealing and extending them.
This promoter is the right promoter in the lux cassette of Vibrio Fischeri. There is weak constitutive expression of downstream genes. Expression of downstream genes can be up-regulated by the action of the LuxR activator protein in complex with the autoinducer, 3-oxo-hexanoyl-HSL. Two molecules of LuxR protein can form a complex with two molecules of the AHL. This causes a conformational change in the protein, allowing it to bind to a site on the lux promoter and induce transcription.
This part was used as part of a biological capacitor.
RBS (Elowitz 1999) -- defines RBS efficiency
Varies from -6 to +1 region from original sequence to accomodate BioBricks suffix. No secondary structures are formed in the given RBS region. Users should check for secondary structures induced in the RBS by upstream and downstream elements in the +50 to -50 region, as such structures will greatly affect the strength of the RBS. Contact info for this part: Brian Chow
Vinay S Mahajan, Voichita D. Marinescu, Brian Chow, Alexander D Wissner-Gross and Peter Carr IAP, 2003.
Derived from the TE terminator of T7 bacteriophage between Genes 1.3 and 1.4 <genbank>V01146</genbank>.
Transcription terminator for the E.coli RNA polymerase.
Suggested by Sri Kosuri and Drew Endy as a high efficiency terminator. The 5' end cutoff was placed immediately after the TAA stop codon and the 3' end cutoff was placed just prior to the RBS of Gene 1.4 (before AAGGAG). Use anywhere transcription should be stopped when the gene of interest is upstream of this terminator.
Transcriptional terminator consisting of a 64 bp stem-loop.
V. fischeri <genbank>AF170104</genbank>
In complex with HSL, LuxR binds to the Lux promoter, activating transcription from Pr <bb_part>BBa_R0062</bb_part>, and repressing transcription from Pl <bb_part>BBa_R0063</bb_part>. The lux cassette of V. fischeri contains a left and a right promoter. The right promoter gives weak constitutive expression of downstream genes.This expression is up-regulated by the action of the Lux activator, LuxR complexed to HSL. Two molecules of LuxR protein form a complex with two molecules the signalling compound homoserine lactone (HSL). This complex binds to a palindromic site on the promoter, increasing the rate of transcription.
2 silent point mutants were introduced in the coding sequence to remove internal XbaI and PstI sites. Mutation sites were chosen to replace codons commonly used in E. coli with codons used at a similar frequency.
Vinay S Mahajan, Voichita D. Marinescu, Brian Chow, Alexander D Wissner-Gross and Peter Carr
Overlap extension of synthetic oligonucleotides
pJBA111, carrying GFP-LVA, was generously provided by Dr. S. Molin, The Technical University of Denmark, Lyngby Appl Environ Microbiol. 1998 Jun;64(6):2240-6. New unstable variants of green fluorescent protein for studies of transient gene expression in bacteria. Andersen JB, Sternberg C, Poulsen LK, Bjorn SP, Givskov M, Molin S. PMID: 9603842
Green Fluorescent Protein with LVA tag for rapid degradation
Designed out of pJBA111 (Molin, 1998) with PCR to add appropriote prefix and suffix.
Lutz, R., Bujard, H., Nucleic Acids Research (1997) 25, 1203-1210.
Sequence for pTet inverting regulator driven by the TetR protein.
BBa_R0040 TetR-Regulated Promoter is based on a cI promoter. It has been modified to include two TetR binding sites and the BioBrick standard assembly head and tail restriction sites.
June Rhee, Connie Tao, Ty Thomson, Louis Waldman
tetracycline repressor from transposon Tn10 (+LVA)
Elowitz, M. B. Transport, Assembly, and Dynamics in Systems of Interacting Proteins. Thesis, Princeton Univ., Princeton (1999)
Coding region for the TetR protein without the Ribosome Binding Site. Modified with an LVA tail for rapid degradation of the protein and faster fall time for the emission. TetR binds to the pTet regulator (BBa_R0040). aTc (anhydrotetracycline) binds to TetR and inhibits its operation.
References (unparsed) here: Elowitz, M. B. Transport, Assembly, and Dynamics in Systems of Interacting Proteins. Thesis, Princeton Univ., Princeton (1999). Lutz R, Bujard H., Independent and tight regulation of transcriptional units in Escherichia coli via the LacR/O, the TetR/O and AraC/I1-I2 regulatory elements. Nucleic Acids Res. 1997 Mar 15;25(6):1203-10. PMID: 9092630 References (unparsed) here: Elowitz, M. B. Transport, Assembly, and Dynamics in Systems of Interacting Proteins. Thesis, Princeton Univ., Princeton (1999). Lutz R, Bujard H., Independent and tight regulation of transcriptional units in Escherichia coli via the LacR/O, the TetR/O and AraC/I1-I2 regulatory elements. Nucleic Acids Res. 1997 Mar 15;25(6):1203-10. PMID: 9092630 BBa_C0040 TetR Protein is based on the TetR sequence from Elowitz's repressilator. It has been modified to include a rapid degradation LVA tail, and includes the BioBrick standard assembly head and tail restriction sites. The RBS has been removed. The stop codon has been changed from TAA to a double stop codon TAATAA.
June Rhee, Connie Tao, Ty Thomson, Louis Waldman.
Conversion of the iGEM parts registry to SBOL2.1