This part is assembled with standard bio-bricks from the distribution with the standard assembly protocol.
This part is a functional device with the input of AraC & arabinose and the out put of the protein LuxR. The expression of the output signal will be activated if the protein AraC and the small molecule arabinose exists the same time. This part may not work when the glucose exists in the culture.
The BBa_R0080 we used in the device contains a cup-site so that the glucose may affect the work of this device. So, glucose-free culture is suggested to be used if you want to use this device.
RBS.1 (strong) -- modified from R. Weiss
Strong RBS based on Ron Weiss thesis. Strength is considered relative to <bb_part>BBa_B0031</bb_part>, <bb_part>BBa_B0032</bb_part>, <bb_part>BBa_B0033</bb_part>.
Varies from -6 to +1 region from original sequence to accomodate BioBricks suffix ("orig" in figure 4-14 of Ron Weiss thesis). 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 Brian Chow
Vinay S Mahajan, Voichita D. Marinescu, Brian Chow, Alexander D Wissner-Gross and Peter Carr IAP, 2003.
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
Double terminator consisting of BBa_B0010 and BBa_B0012
AraC operator, truncated to include araO1, araI1, araI2, c-amp1, and c-amp2 sites. This operator should *activate* transcription in the presence of AraC; b/c the operator lacks the araO2 site, there should not be araC-mediated repression.
Cla I cutting site (methylation insensitive)
The coding of the Cla I cutting site is open-accessed.
This part is the cutting site of the restriction endonuclease Cla I. The endonuclease Cla I can specifically recognize the sequence of this part and cut the double helix into two cohesive ends. You can use this part when you are trying to add an extra cutting site inside of your system in order to make it open-edited.
The original cutting site is sensitive to methylation, we re-engineered the sequence so that the methylation will not affect the cutting of Cla I.
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.
Conversion of the iGEM parts registry to SBOL2.1