Team:UChicago/Project

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== '''Project Overview''' ==
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Each year, over two billion pounds of feather waste is produced as a byproduct of commercial poultry processing. Most of this waste is chemically treated or steam pressure-cooked into nutrient-poor animal feed (1). Nonetheless, recent research has shown that feather keratin can be used to produce biodegradable plastics (2), fertilizers (3), detergents (4), and pharmaceuticals (5). However, traditional methods of keratin degradation rely on chemicals such as sulfides and limes which are energetically costly and pose serious environmental and health concerns. Therefore, researchers have turned to feather-degrading bacteria as an alternative to traditional chemical methods (6). Although keratin-degrading bacterial strains were isolated from poultry waste nearly two decades ago and some keratin-degrading proteases (keratinases) have been identified, keratinase production in heterologous hosts has been stymied by poor protease expression.
 
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In order to improve keratinase expression in Bacillus subtilis, a host suited to industrial use, we decided to build a BioBrick for the best characterized and most efficient keratinase gene. The keratin-degrading bacterial strain that is best characterized in the literature is Bacillus licheniformis PWD-1. The keratinase, called KerA, responsible for this bacterium’s activity was isolated and characterized by Shih et al. along with its signal peptide and promoter (7). The DNA sequence of kerA is 1458 bases long and codes for a serine protease. Like many secreted proteases in the Bacillus genus, KerA has a signal peptide, which is cleaved before KerA crosses the single plasma membrane of B. licheniformis. Additionally, the kerA promoter is activated when keratin is the sole source of carbon and nitrogen. Shih et al. successfully transformed B. subtilis with kerA and expressed it with its own promoter as well as with P43, a constitutive promoter, and a combination of the two in a high copy number backbone. All transformants expressed keratinase activity in the presence and absence of keratin (8).
 
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Building on the success of Shih et al., our team designed a BioBrick to improve kerA expression in a heterologous host. We purchased two gBlocks from IDT to assemble the kerA DNA sequence, which included the signal peptide. In order to increase the level of KerA produced in B. subtilis, we planned to use BioBrick part BBa_K143053, which includes Pveg, a constitutive promoter. Moreover, a high copy number backbone with an origin of replication for B. subtilis is needed for the largest production of KerA. Since the current B. subtilis plasmids in the iGEM registry are single copy plasmids that integrate into the genome, our team designed a high copy number backbone compatible with B. subtilis based on pUB110 (9).
 
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We also wanted to determine if KerA expression in E. coli BL2-DE3 was comparable to that of B. subtilis. Unlike the members of the Bacillus genus, E. coli has two membranes. The kerA signal peptide could allow transport across the inner membrane but not the outer membrane, trapping KerA in the periplasm, where the amino acid modifications could render the keratinase inactive. Moreover, it is possible that E. coli does not contain the cellular machinery necessary to cleave the kerA signal peptide, producing an inactive form of the enzyme. Thus, we designed an alternate kerA BioBrick that was missing the signal peptide. To optimize expression of the keratinase in E. coli, we would have used a constitutive E. coli promoter BioBrick and a high copy number backbone.
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<groupparts>iGEM013 UChicago</groupparts>
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The following are parts we designed but were unable to finish:
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== Sources ==
 
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(1) El-Nagar, K., Saleh, S. M., & Ramadan, A. R. (2006). Utilization of feather waste to improve the properties of the Egyptian cotton fabrics. Jour. of Textile and Apparel Technology and Management, 2, 1-12.
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kerA + signal peptide BioBrick
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'''GAATTCGCGGCCGCTTCTAG'''ATGATGAGGAAAAAGAGTTTTTGGCTTGGGATGCTGACGGCCTTCATGCTCGTGTTCACGATGGCATTCAGCGATTCCGCTTCTGCTGCTCAACCGGCGAAAAATGTTGAAAAGGATTATATTGTCGGATTTAAGTCAGGAGTGAAAACCGCATCTGTCAAAAAGGACATCATCAAAGAGAGCGGCGGAAAAGTGGACAAGCAGTTTAGAATCATCAACGCGGCAAAAGCGAAGCTAGACAAAGAAGCGCTTAAGGAAGTCAAAAATGATCCGGATGTCGCTTATGTGGAAGAGGATCATGTGGCCCATGCCTTGGCGCAAACCGTTCCTTACGGCATTCCTCTCATTAAAGCGGACAAAGTGCAGGCTCAAGGCTTTAAGGGAGCGAATGTAAAAGTAGCCGTCCTGGATACAGGAATCCAAGCTTCTCATCCGGACTTGAACGTAGTCGGCGGAGCAAGCTTTGTGGCTGGCGAAGCTTATAACACCGACGGCAACGGACACGGCACACATGTTGCCGGTACAGTAGCTGCGCTTGACAATACAACGGGTGTATTAGGCGTTGCGCCAAGCGTATCCTTGTACGCGGTTAAAGTACTGAACTCAAGCGGAAGCGGATCATACAGCGGCATTGTAAGCGGAATCGAGTGGGCGACAACAAACGGCATGGATGTTATCAATATGAGCCTTGGGGGAGCATCAGGCTCGACAGCGATGAAACAGGCAGTCGACAATGCATATGCAAGAGGGGTTGTCGTTGTAGCTGCGGCAGGGAACAGCGGATCTTCAGGAAACACGAATACAATTGGCTATCCTGCGAAATACGATTCTGTCATCGCTGTTGGTGCGGTAGACTCTAACAGCAACAGAGCTTCATTTTCCAGTGTGGGAGCAGAGCTTGAAGTCATGGCTCCTGGCGCAGGCGTATACAGCACTTACCCAACGAACACTTATGCAACATTGAACGGAACGTCAATGGTTTCTCCTCATGTAGCGGGAGCAGCAGCTTTGATCTTGTCAAAACATCCGAACCTTTCAGCTTCACAAGTCCGCAACCGTCTCTCCAGCACGGCGACTTATTTGGGAAGCTCCTTCTACTATGGGAAAGGTCTGATCAATGTCGAAGCTGCCGCTCAATAA'''TACTAGTAGCGGCCGCTGCAG'''
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(2) Jin, E., Reddy, N., Zhu, Z., & Yang, Y. (2011). Graft polymerization of native chicken feathers for thermoplastic applications. Journal of agricultural and food chemistry, 59(5), 1729-1738.
 
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kerA BioBrick
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(3) Hadas, A., & Kautsky, L. (1994). Feather meal, a semi-slow-release nitrogen fertilizer for organic farming. Fertilizer research, 38(2), 165-170.
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'''GAATTCGCGGCCGCTTCTAG'''ATGGCGCAAACCGTTCCTTACGGCATTCCTCTCATTAAAGCGGACAAAGTGCAGGCTCAAGGCTTTAAGGGAGCGAATGTAAAAGTAGCCGTCCTGGATACAGGAATCCAAGCTTCTCATCCGGACTTGAACGTAGTCGGCGGAGCAAGCTTTGTGGCTGGCGAAGCTTATAACACCGACGGCAACGGACACGGCACACATGTTGCCGGTACAGTAGCTGCGCTTGACAATACAACGGGTGTATTAGGCGTTGCGCCAAGCGTATCCTTGTACGCGGTTAAAGTACTGAACTCAAGCGGAAGCGGATCATACAGCGGCATTGTAAGCGGAATCGAGTGGGCGACAACAAACGGCATGGATGTTATCAATATGAGCCTTGGGGGAGCATCAGGCTCGACAGCGATGAAACAGGCAGTCGACAATGCATATGCAAGAGGGGTTGTCGTTGTAGCTGCGGCAGGGAACAGCGGATCTTCAGGAAACACGAATACAATTGGCTATCCTGCGAAATACGATTCTGTCATCGCTGTTGGTGCGGTAGACTCTAACAGCAACAGAGCTTCATTTTCCAGTGTGGGAGCAGAGCTTGAAGTCATGGCTCCTGGCGCAGGCGTATACAGCACTTACCCAACGAACACTTATGCAACATTGAACGGAACGTCAATGGTTTCTCCTCATGTAGCGGGAGCAGCAGCTTTGATCTTGTCAAAACATCCGAACCTTTCAGCTTCACAAGTCCGCAACCGTCTCTCCAGCACGGCGACTTATTTGGGAAGCTCCTTCTACTATGGGAAAGGTCTGATCAATGTCGAAGCTGCCGCTCAATAA'''TACTAGTAGCGGCCGCTGCAG'''
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(4) Riffel, A., Lucas, F., Heeb, P., & Brandelli, A. (2003). Characterization of a new keratinolytic bacterium that completely degrades native feather keratin.Archives of Microbiology, 179(4), 258-265.
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kerA + signal peptide + his tag in the C terminus BioBrick
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'''GAATTCGCGGCCGCTTCTAG'''ATGATGAGGAAAAAGAGTTTTTGGCTTGGGATGCTGACGGCCTTCATGCTCGTGTTCACGATGGCATTCAGCGATTCCGCTTCTGCTGCTCAACCGGCGAAAAATGTTGAAAAGGATTATATTGTCGGATTTAAGTCAGGAGTGAAAACCGCATCTGTCAAAAAGGACATCATCAAAGAGAGCGGCGGAAAAGTGGACAAGCAGTTTAGAATCATCAACGCGGCAAAAGCGAAGCTAGACAAAGAAGCGCTTAAGGAAGTCAAAAATGATCCGGATGTCGCTTATGTGGAAGAGGATCATGTGGCCCATGCCTTGGCGCAAACCGTTCCTTACGGCATTCCTCTCATTAAAGCGGACAAAGTGCAGGCTCAAGGCTTTAAGGGAGCGAATGTAAAAGTAGCCGTCCTGGATACAGGAATCCAAGCTTCTCATCCGGACTTGAACGTAGTCGGCGGAGCAAGCTTTGTGGCTGGCGAAGCTTATAACACCGACGGCAACGGACACGGCACACATGTTGCCGGTACAGTAGCTGCGCTTGACAATACAACGGGTGTATTAGGCGTTGCGCCAAGCGTATCCTTGTACGCGGTTAAAGTACTGAACTCAAGCGGAAGCGGATCATACAGCGGCATTGTAAGCGGAATCGAGTGGGCGACAACAAACGGCATGGATGTTATCAATATGAGCCTTGGGGGAGCATCAGGCTCGACAGCGATGAAACAGGCAGTCGACAATGCATATGCAAGAGGGGTTGTCGTTGTAGCTGCGGCAGGGAACAGCGGATCTTCAGGAAACACGAATACAATTGGCTATCCTGCGAAATACGATTCTGTCATCGCTGTTGGTGCGGTAGACTCTAACAGCAACAGAGCTTCATTTTCCAGTGTGGGAGCAGAGCTTGAAGTCATGGCTCCTGGCGCAGGCGTATACAGCACTTACCCAACGAACACTTATGCAACATTGAACGGAACGTCAATGGTTTCTCCTCATGTAGCGGGAGCAGCAGCTTTGATCTTGTCAAAACATCCGAACCTTTCAGCTTCACAAGTCCGCAACCGTCTCTCCAGCACGGCGACTTATTTGGGAAGCTCCTTCTACTATGGGAAAGGTCTGATCAATGTCGAAGCTGCCGCTCAA'''CATCATCATCATCATCAT'''TAA'''TACTAGTAGCGGCCGCTGCAG'''
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(5) Tiwary, E., & Gupta, R. (2010). Extracellular expression of keratinase from Bacillus licheniformis ER-15 in Escherichia coli. Journal of agricultural and food chemistry, 58(14), 8380-8385.
 
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kerA + his tag in the C terminus BioBrick
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(6) Williams, C. M., Richter, C. S., Mackenzie, J. M., & Shih, J. C. (1990). Isolation, identification, and characterization of a feather-degrading bacterium.Applied and Environmental Microbiology, 56(6), 1509-1515.
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'''GAATTCGCGGCCGCTTCTAG'''ATGGCGCAAACCGTTCCTTACGGCATTCCTCTCATTAAAGCGGACAAAGTGCAGGCTCAAGGCTTTAAGGGAGCGAATGTAAAAGTAGCCGTCCTGGATACAGGAATCCAAGCTTCTCATCCGGACTTGAACGTAGTCGGCGGAGCAAGCTTTGTGGCTGGCGAAGCTTATAACACCGACGGCAACGGACACGGCACACATGTTGCCGGTACAGTAGCTGCGCTTGACAATACAACGGGTGTATTAGGCGTTGCGCCAAGCGTATCCTTGTACGCGGTTAAAGTACTGAACTCAAGCGGAAGCGGATCATACAGCGGCATTGTAAGCGGAATCGAGTGGGCGACAACAAACGGCATGGATGTTATCAATATGAGCCTTGGGGGAGCATCAGGCTCGACAGCGATGAAACAGGCAGTCGACAATGCATATGCAAGAGGGGTTGTCGTTGTAGCTGCGGCAGGGAACAGCGGATCTTCAGGAAACACGAATACAATTGGCTATCCTGCGAAATACGATTCTGTCATCGCTGTTGGTGCGGTAGACTCTAACAGCAACAGAGCTTCATTTTCCAGTGTGGGAGCAGAGCTTGAAGTCATGGCTCCTGGCGCAGGCGTATACAGCACTTACCCAACGAACACTTATGCAACATTGAACGGAACGTCAATGGTTTCTCCTCATGTAGCGGGAGCAGCAGCTTTGATCTTGTCAAAACATCCGAACCTTTCAGCTTCACAAGTCCGCAACCGTCTCTCCAGCACGGCGACTTATTTGGGAAGCTCCTTCTACTATGGGAAAGGTCTGATCAATGTCGAAGCTGCCGCTCAA'''CATCATCATCATCATCAT'''TAA'''TACTAGTAGCGGCCGCTGCAG'''
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(7) Lin, X., Kelemen, D. W., Miller, E. S., & Shih, J. C. (1995). Nucleotide sequence and expression of kerA, the gene encoding a keratinolytic protease of Bacillus licheniformis PWD-1. Applied and environmental microbiology,61(4), 1469-1474.
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Modified pUB110 backbone
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'''GAATTCGCGGCCGCTTCTAGAG'''''TACTAGTAGCGGCCGCTGCAG''CATATGTAAATCGCTCCTTTTTAGGTGGCACAAATGTGAGGCATTTTCGCTCTTTCCGGCAACCACTTCCAAGTAAAGTATAACACACTATACTTTATATTCATAAAGTGTGTGCTCTGCGAGGCTGTCGGCAGTGCCGACCAAAACCATAAAACCTTTAAGACCTTTCTTTTTTTTACGAGAAAAAAGAAACAAAAAAACCTGCCCTCTGCCACCTCAGCAAAGGGGGGTTTTGCTCTCGTGCTCGTTTAAAAATCAGCAAGGGACAGGTAGTATTTTTTGAGAAGATCACTCAAAAAATCTCCACCTTTAAACCCTTGCCAATTTTTATTTTGTCCGTTTTGTCTAGCTTACCGAAAGCCAGACTCAGCAAGAATAAAATTTTTATTGTCTTTCGGTTTTCTAGTGTAACGGACAAAACCACTCAAAATAAAAAAGATACAAGAGAGGTCTCTCGTATCTTTTATTCAGCAATCGCGCCCGATTGCTGAACAGATTAATAATAGATTTTAGCTTTTTATTTGTTGAAAAAAGCTAATCAAATTGTTGTCGGGATCAATTACTGCAAAGTCTCGTTCATCCCACCACTGATCTTTTAATGATGTATTGGGGTGCAAAATGCCCAAAGGCTTAATATGTTGATATAATTCATCAATTCCCTCTACTTCAATGCGGCAACTAGCAGTACCAGCAATAAACGACTCCGCACCTGTACAAACCGGTGAATCATTACTACGAGAGCGCCAGCTTCATCACTTGCCTCCCATAGATGAATCCGAACCTCATTACACATTAGAACTGCGAATCCATCTTCATGGTGAACCAAAGTGAAACCTAGTTTATCGCAATAAAAACCTATACTCTTTTTAATATCCCCGACTGGCAATGCCGGGATAGACTGTAACATTCTCACGCATAAAATCCCCTTTCATTTTCTAATGTAAATCTATTACCTTATTATTAATTCAATTCGCTCATAATTAATCCTTTTTCTTATTACGCAAAATGGCCCGATTTAAGCACACCCTTTATTCCGTTAATGCGCCATGACAGCCATGATAATTACTAATACTAGGAGAAGTTAATAAATACGTAACCAACATGATTAACAATTATTAGAGGTCATCGTTCAAAATGGTATGCGTTTTGACACATCCACTATATATCCGTGTCGTTCTGTCCACTCCTGAATCCCATTCCAGAAATTCTCTAGCGATTCCAGAAGTTTCTCAGAGTCGGAAAGTTGACCAGACATTACGAACTGGCACAGATGGTCATAACCTGAAGGAAGATCTGATTGCTTAACTGCTTCAGTTAAGACCGAAGCGCTCGTCGTATAACAGATGCGATGATGCAGACCAATCAACATGGCACCTGCCATTGCTACCTGTACAGTCAAGGATGGTAGAAATGTTGTCGGTCCTTGCACACGAATATTACGCCATTTGCCTGCATATTCAAACAGCTCTTCTACGATAAGGGCACAAATCGCATCGTGGAACGTTTGGGCTTCTACCGATTTAGCAGTTTGATACACTTTCTCTAAGTATCCACCTGAATCATAAATCGGCAAAATAGAGAAAAATTGACCATGTGTAAGCGGCCAATCTGATTCCACCTGAGATGCATAATCTAGTAGAATCTCTTCGCTATCAAAATTCACTTCCACCTTCCACTCACCGGTTGTCCATTCATGGCTGAACTCTGCTTCCTCTGTTGACATGACACACATCATCTCAATATCCGAATAGGGCCCATCAGTCTGACGACCAAGAGAGCCATAAACACCAATAGCCTTAACATCATCCCCATATTTATCCAATATTCGTTCCTTAATTTCATGAACAATCTTCATTCTTTCTTCTCTAGTCATTATTATTGGTCCATTCACTATTCTCATTCCCTTTTCAGATAATTTTAGATTTGCTTTTCTAAATAAGAATATTTGGAGAGCACCGTTCTTATTCAGCTATTAATAACTCGTCTTCCTAAGCATCCTTCAATCCTTTTAATAACAATTATAGCATCTAATCTTCAACAAACTGGCCCGTTTGTTGAACTACTCTTTAATAAAATAATTTTTCCGTTCCCAATTCCACATTGCAATAATAGAAAATCCATCTTCATCGGCTTTTTCGTCATCATCTGTATGAATCAAATCGCCTTCTTCTGTGTCATCAAGGTTTAATTTTTTATGTATTTCTTTTAACAAACCACCATAGGAGATTAACCTTTTACGGTGTAAACCTTCCTCCAAATCAGACAAACGTTTCAAATTCTTTTCTTCATCATCGGTCATAAAATCCGTATCCTTTACAGGATATTTTGCAGTTTCGTCAATTGCCGATTGTATATCCGATTTATATTTATTTTTCGGTCGAATCATTTGAACTTTTACATTTGGATCATAGTCTAATTTCATTGCCTTTTTCCAAAATTGAATCCATTGTTTTTGATTCACGTAGTTTTCTGTATTCTTAAAATAAGTTGGTTCCACACATACCAATACATGCATGTGCTGATTATAAGAATTATCTTTATTATTTATTGTCACTTCCGTTGCACGCATAAAACCAACAAGATTTTTATTAATTTTTTTATATTGCATCATTCGGCGAAATCCTTGAGCCATATCTGACAAACTCTTATTTAATTCTTCGCCATCATAAACATTTTTAACTGTTAATGTGAGAAACAACCAACGAACTGTTGGCTTTTGTTTAATAACTTCAGCAACAACCTTTTGTGACTGAATGCCATGTTTCATTGCTCTCCTCCAGTTGCACATTGGACAAAGCCTGGATTTACAAAACCACACTCGATACAACTTTCTTTCGCCTGTTTCACGATTTTGTTTATACTCTAATATTTCAGCACAATCTTTTACTCTTTCAGCCTTTTTAAATTCAAGAATATGCAGAAGTTCAAAGTAATCAACATTAGCGATTTTCTTTTCTCTCCATGGTCTCACTTTTCCACTTTTTGTCTTGTCCACTAAAACCCTTGATTTTTCATCTGAATAAATGCTACTATTAGGACACATAATATTAAAAGAAACCCCCATCTATTTAGTTATTTGTTTAGTCACTTATAACTTTAACAGATGGGGTTTTTCTGTGCAACCAATTTTAAGGGTTTTCAATACTTTAAAACACATACATACCAACACTTCAACGCACCTTTCAGCAACTAAAATAAAAATGACGTTATTTCTATATGTATCAAGATAAGAAAGAACAAGTTCAAAACCATCAAAAAAAGACACCTTTTCAGGTGCTTTTTTTATTTTATAAACTCATTCCCTGATCTCGACTTCGTTCTTTTTTTACCTCTCGGTTATGAGTTAGTTCAAATTCGTTCTTTTTAGGTTCTAAATCGTGTTTTTCTTGGAATTGTGCTGTTTTATCCTTTACCTTGTCTACAAACCCCTTAAAAACGTTTTTAAAGGCTTTTAAGCCGTCTGTACGTTCCTTAAG
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(8) Lin, X., Wong, S. L., Miller, E. S., & Shih, J. C. H. (1997). Expression of the Bacillus licheniformis PWD-1 keratinase gene in B. subtilis. Journal of Industrial Microbiology and Biotechnology, 19(2), 134-138.
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[[File:pub110 biobrick.jpg]]
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(9) Boe, L. A. R. S., Gros, M. F., te Riele, H. E. I. N., Ehrlich, S. D., & Gruss, A. (1989). Replication origins of single-stranded-DNA plasmid pUB110. Journal of bacteriology, 171(6), 3366-3372.
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== Results ==
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Due to the challenges our team faced we were unable to start our project early enough to submit any BioBricks. Nonetheless, you can still check out our BioBrick designs:
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Revision as of 19:59, 27 September 2013



<groupparts>iGEM013 UChicago</groupparts> The following are parts we designed but were unable to finish:


kerA + signal peptide BioBrick

GAATTCGCGGCCGCTTCTAGATGATGAGGAAAAAGAGTTTTTGGCTTGGGATGCTGACGGCCTTCATGCTCGTGTTCACGATGGCATTCAGCGATTCCGCTTCTGCTGCTCAACCGGCGAAAAATGTTGAAAAGGATTATATTGTCGGATTTAAGTCAGGAGTGAAAACCGCATCTGTCAAAAAGGACATCATCAAAGAGAGCGGCGGAAAAGTGGACAAGCAGTTTAGAATCATCAACGCGGCAAAAGCGAAGCTAGACAAAGAAGCGCTTAAGGAAGTCAAAAATGATCCGGATGTCGCTTATGTGGAAGAGGATCATGTGGCCCATGCCTTGGCGCAAACCGTTCCTTACGGCATTCCTCTCATTAAAGCGGACAAAGTGCAGGCTCAAGGCTTTAAGGGAGCGAATGTAAAAGTAGCCGTCCTGGATACAGGAATCCAAGCTTCTCATCCGGACTTGAACGTAGTCGGCGGAGCAAGCTTTGTGGCTGGCGAAGCTTATAACACCGACGGCAACGGACACGGCACACATGTTGCCGGTACAGTAGCTGCGCTTGACAATACAACGGGTGTATTAGGCGTTGCGCCAAGCGTATCCTTGTACGCGGTTAAAGTACTGAACTCAAGCGGAAGCGGATCATACAGCGGCATTGTAAGCGGAATCGAGTGGGCGACAACAAACGGCATGGATGTTATCAATATGAGCCTTGGGGGAGCATCAGGCTCGACAGCGATGAAACAGGCAGTCGACAATGCATATGCAAGAGGGGTTGTCGTTGTAGCTGCGGCAGGGAACAGCGGATCTTCAGGAAACACGAATACAATTGGCTATCCTGCGAAATACGATTCTGTCATCGCTGTTGGTGCGGTAGACTCTAACAGCAACAGAGCTTCATTTTCCAGTGTGGGAGCAGAGCTTGAAGTCATGGCTCCTGGCGCAGGCGTATACAGCACTTACCCAACGAACACTTATGCAACATTGAACGGAACGTCAATGGTTTCTCCTCATGTAGCGGGAGCAGCAGCTTTGATCTTGTCAAAACATCCGAACCTTTCAGCTTCACAAGTCCGCAACCGTCTCTCCAGCACGGCGACTTATTTGGGAAGCTCCTTCTACTATGGGAAAGGTCTGATCAATGTCGAAGCTGCCGCTCAATAATACTAGTAGCGGCCGCTGCAG


kerA BioBrick

GAATTCGCGGCCGCTTCTAGATGGCGCAAACCGTTCCTTACGGCATTCCTCTCATTAAAGCGGACAAAGTGCAGGCTCAAGGCTTTAAGGGAGCGAATGTAAAAGTAGCCGTCCTGGATACAGGAATCCAAGCTTCTCATCCGGACTTGAACGTAGTCGGCGGAGCAAGCTTTGTGGCTGGCGAAGCTTATAACACCGACGGCAACGGACACGGCACACATGTTGCCGGTACAGTAGCTGCGCTTGACAATACAACGGGTGTATTAGGCGTTGCGCCAAGCGTATCCTTGTACGCGGTTAAAGTACTGAACTCAAGCGGAAGCGGATCATACAGCGGCATTGTAAGCGGAATCGAGTGGGCGACAACAAACGGCATGGATGTTATCAATATGAGCCTTGGGGGAGCATCAGGCTCGACAGCGATGAAACAGGCAGTCGACAATGCATATGCAAGAGGGGTTGTCGTTGTAGCTGCGGCAGGGAACAGCGGATCTTCAGGAAACACGAATACAATTGGCTATCCTGCGAAATACGATTCTGTCATCGCTGTTGGTGCGGTAGACTCTAACAGCAACAGAGCTTCATTTTCCAGTGTGGGAGCAGAGCTTGAAGTCATGGCTCCTGGCGCAGGCGTATACAGCACTTACCCAACGAACACTTATGCAACATTGAACGGAACGTCAATGGTTTCTCCTCATGTAGCGGGAGCAGCAGCTTTGATCTTGTCAAAACATCCGAACCTTTCAGCTTCACAAGTCCGCAACCGTCTCTCCAGCACGGCGACTTATTTGGGAAGCTCCTTCTACTATGGGAAAGGTCTGATCAATGTCGAAGCTGCCGCTCAATAATACTAGTAGCGGCCGCTGCAG


kerA + signal peptide + his tag in the C terminus BioBrick

GAATTCGCGGCCGCTTCTAGATGATGAGGAAAAAGAGTTTTTGGCTTGGGATGCTGACGGCCTTCATGCTCGTGTTCACGATGGCATTCAGCGATTCCGCTTCTGCTGCTCAACCGGCGAAAAATGTTGAAAAGGATTATATTGTCGGATTTAAGTCAGGAGTGAAAACCGCATCTGTCAAAAAGGACATCATCAAAGAGAGCGGCGGAAAAGTGGACAAGCAGTTTAGAATCATCAACGCGGCAAAAGCGAAGCTAGACAAAGAAGCGCTTAAGGAAGTCAAAAATGATCCGGATGTCGCTTATGTGGAAGAGGATCATGTGGCCCATGCCTTGGCGCAAACCGTTCCTTACGGCATTCCTCTCATTAAAGCGGACAAAGTGCAGGCTCAAGGCTTTAAGGGAGCGAATGTAAAAGTAGCCGTCCTGGATACAGGAATCCAAGCTTCTCATCCGGACTTGAACGTAGTCGGCGGAGCAAGCTTTGTGGCTGGCGAAGCTTATAACACCGACGGCAACGGACACGGCACACATGTTGCCGGTACAGTAGCTGCGCTTGACAATACAACGGGTGTATTAGGCGTTGCGCCAAGCGTATCCTTGTACGCGGTTAAAGTACTGAACTCAAGCGGAAGCGGATCATACAGCGGCATTGTAAGCGGAATCGAGTGGGCGACAACAAACGGCATGGATGTTATCAATATGAGCCTTGGGGGAGCATCAGGCTCGACAGCGATGAAACAGGCAGTCGACAATGCATATGCAAGAGGGGTTGTCGTTGTAGCTGCGGCAGGGAACAGCGGATCTTCAGGAAACACGAATACAATTGGCTATCCTGCGAAATACGATTCTGTCATCGCTGTTGGTGCGGTAGACTCTAACAGCAACAGAGCTTCATTTTCCAGTGTGGGAGCAGAGCTTGAAGTCATGGCTCCTGGCGCAGGCGTATACAGCACTTACCCAACGAACACTTATGCAACATTGAACGGAACGTCAATGGTTTCTCCTCATGTAGCGGGAGCAGCAGCTTTGATCTTGTCAAAACATCCGAACCTTTCAGCTTCACAAGTCCGCAACCGTCTCTCCAGCACGGCGACTTATTTGGGAAGCTCCTTCTACTATGGGAAAGGTCTGATCAATGTCGAAGCTGCCGCTCAACATCATCATCATCATCATTAATACTAGTAGCGGCCGCTGCAG


kerA + his tag in the C terminus BioBrick

GAATTCGCGGCCGCTTCTAGATGGCGCAAACCGTTCCTTACGGCATTCCTCTCATTAAAGCGGACAAAGTGCAGGCTCAAGGCTTTAAGGGAGCGAATGTAAAAGTAGCCGTCCTGGATACAGGAATCCAAGCTTCTCATCCGGACTTGAACGTAGTCGGCGGAGCAAGCTTTGTGGCTGGCGAAGCTTATAACACCGACGGCAACGGACACGGCACACATGTTGCCGGTACAGTAGCTGCGCTTGACAATACAACGGGTGTATTAGGCGTTGCGCCAAGCGTATCCTTGTACGCGGTTAAAGTACTGAACTCAAGCGGAAGCGGATCATACAGCGGCATTGTAAGCGGAATCGAGTGGGCGACAACAAACGGCATGGATGTTATCAATATGAGCCTTGGGGGAGCATCAGGCTCGACAGCGATGAAACAGGCAGTCGACAATGCATATGCAAGAGGGGTTGTCGTTGTAGCTGCGGCAGGGAACAGCGGATCTTCAGGAAACACGAATACAATTGGCTATCCTGCGAAATACGATTCTGTCATCGCTGTTGGTGCGGTAGACTCTAACAGCAACAGAGCTTCATTTTCCAGTGTGGGAGCAGAGCTTGAAGTCATGGCTCCTGGCGCAGGCGTATACAGCACTTACCCAACGAACACTTATGCAACATTGAACGGAACGTCAATGGTTTCTCCTCATGTAGCGGGAGCAGCAGCTTTGATCTTGTCAAAACATCCGAACCTTTCAGCTTCACAAGTCCGCAACCGTCTCTCCAGCACGGCGACTTATTTGGGAAGCTCCTTCTACTATGGGAAAGGTCTGATCAATGTCGAAGCTGCCGCTCAACATCATCATCATCATCATTAATACTAGTAGCGGCCGCTGCAG


Modified pUB110 backbone

GAATTCGCGGCCGCTTCTAGAGTACTAGTAGCGGCCGCTGCAGCATATGTAAATCGCTCCTTTTTAGGTGGCACAAATGTGAGGCATTTTCGCTCTTTCCGGCAACCACTTCCAAGTAAAGTATAACACACTATACTTTATATTCATAAAGTGTGTGCTCTGCGAGGCTGTCGGCAGTGCCGACCAAAACCATAAAACCTTTAAGACCTTTCTTTTTTTTACGAGAAAAAAGAAACAAAAAAACCTGCCCTCTGCCACCTCAGCAAAGGGGGGTTTTGCTCTCGTGCTCGTTTAAAAATCAGCAAGGGACAGGTAGTATTTTTTGAGAAGATCACTCAAAAAATCTCCACCTTTAAACCCTTGCCAATTTTTATTTTGTCCGTTTTGTCTAGCTTACCGAAAGCCAGACTCAGCAAGAATAAAATTTTTATTGTCTTTCGGTTTTCTAGTGTAACGGACAAAACCACTCAAAATAAAAAAGATACAAGAGAGGTCTCTCGTATCTTTTATTCAGCAATCGCGCCCGATTGCTGAACAGATTAATAATAGATTTTAGCTTTTTATTTGTTGAAAAAAGCTAATCAAATTGTTGTCGGGATCAATTACTGCAAAGTCTCGTTCATCCCACCACTGATCTTTTAATGATGTATTGGGGTGCAAAATGCCCAAAGGCTTAATATGTTGATATAATTCATCAATTCCCTCTACTTCAATGCGGCAACTAGCAGTACCAGCAATAAACGACTCCGCACCTGTACAAACCGGTGAATCATTACTACGAGAGCGCCAGCTTCATCACTTGCCTCCCATAGATGAATCCGAACCTCATTACACATTAGAACTGCGAATCCATCTTCATGGTGAACCAAAGTGAAACCTAGTTTATCGCAATAAAAACCTATACTCTTTTTAATATCCCCGACTGGCAATGCCGGGATAGACTGTAACATTCTCACGCATAAAATCCCCTTTCATTTTCTAATGTAAATCTATTACCTTATTATTAATTCAATTCGCTCATAATTAATCCTTTTTCTTATTACGCAAAATGGCCCGATTTAAGCACACCCTTTATTCCGTTAATGCGCCATGACAGCCATGATAATTACTAATACTAGGAGAAGTTAATAAATACGTAACCAACATGATTAACAATTATTAGAGGTCATCGTTCAAAATGGTATGCGTTTTGACACATCCACTATATATCCGTGTCGTTCTGTCCACTCCTGAATCCCATTCCAGAAATTCTCTAGCGATTCCAGAAGTTTCTCAGAGTCGGAAAGTTGACCAGACATTACGAACTGGCACAGATGGTCATAACCTGAAGGAAGATCTGATTGCTTAACTGCTTCAGTTAAGACCGAAGCGCTCGTCGTATAACAGATGCGATGATGCAGACCAATCAACATGGCACCTGCCATTGCTACCTGTACAGTCAAGGATGGTAGAAATGTTGTCGGTCCTTGCACACGAATATTACGCCATTTGCCTGCATATTCAAACAGCTCTTCTACGATAAGGGCACAAATCGCATCGTGGAACGTTTGGGCTTCTACCGATTTAGCAGTTTGATACACTTTCTCTAAGTATCCACCTGAATCATAAATCGGCAAAATAGAGAAAAATTGACCATGTGTAAGCGGCCAATCTGATTCCACCTGAGATGCATAATCTAGTAGAATCTCTTCGCTATCAAAATTCACTTCCACCTTCCACTCACCGGTTGTCCATTCATGGCTGAACTCTGCTTCCTCTGTTGACATGACACACATCATCTCAATATCCGAATAGGGCCCATCAGTCTGACGACCAAGAGAGCCATAAACACCAATAGCCTTAACATCATCCCCATATTTATCCAATATTCGTTCCTTAATTTCATGAACAATCTTCATTCTTTCTTCTCTAGTCATTATTATTGGTCCATTCACTATTCTCATTCCCTTTTCAGATAATTTTAGATTTGCTTTTCTAAATAAGAATATTTGGAGAGCACCGTTCTTATTCAGCTATTAATAACTCGTCTTCCTAAGCATCCTTCAATCCTTTTAATAACAATTATAGCATCTAATCTTCAACAAACTGGCCCGTTTGTTGAACTACTCTTTAATAAAATAATTTTTCCGTTCCCAATTCCACATTGCAATAATAGAAAATCCATCTTCATCGGCTTTTTCGTCATCATCTGTATGAATCAAATCGCCTTCTTCTGTGTCATCAAGGTTTAATTTTTTATGTATTTCTTTTAACAAACCACCATAGGAGATTAACCTTTTACGGTGTAAACCTTCCTCCAAATCAGACAAACGTTTCAAATTCTTTTCTTCATCATCGGTCATAAAATCCGTATCCTTTACAGGATATTTTGCAGTTTCGTCAATTGCCGATTGTATATCCGATTTATATTTATTTTTCGGTCGAATCATTTGAACTTTTACATTTGGATCATAGTCTAATTTCATTGCCTTTTTCCAAAATTGAATCCATTGTTTTTGATTCACGTAGTTTTCTGTATTCTTAAAATAAGTTGGTTCCACACATACCAATACATGCATGTGCTGATTATAAGAATTATCTTTATTATTTATTGTCACTTCCGTTGCACGCATAAAACCAACAAGATTTTTATTAATTTTTTTATATTGCATCATTCGGCGAAATCCTTGAGCCATATCTGACAAACTCTTATTTAATTCTTCGCCATCATAAACATTTTTAACTGTTAATGTGAGAAACAACCAACGAACTGTTGGCTTTTGTTTAATAACTTCAGCAACAACCTTTTGTGACTGAATGCCATGTTTCATTGCTCTCCTCCAGTTGCACATTGGACAAAGCCTGGATTTACAAAACCACACTCGATACAACTTTCTTTCGCCTGTTTCACGATTTTGTTTATACTCTAATATTTCAGCACAATCTTTTACTCTTTCAGCCTTTTTAAATTCAAGAATATGCAGAAGTTCAAAGTAATCAACATTAGCGATTTTCTTTTCTCTCCATGGTCTCACTTTTCCACTTTTTGTCTTGTCCACTAAAACCCTTGATTTTTCATCTGAATAAATGCTACTATTAGGACACATAATATTAAAAGAAACCCCCATCTATTTAGTTATTTGTTTAGTCACTTATAACTTTAACAGATGGGGTTTTTCTGTGCAACCAATTTTAAGGGTTTTCAATACTTTAAAACACATACATACCAACACTTCAACGCACCTTTCAGCAACTAAAATAAAAATGACGTTATTTCTATATGTATCAAGATAAGAAAGAACAAGTTCAAAACCATCAAAAAAAGACACCTTTTCAGGTGCTTTTTTTATTTTATAAACTCATTCCCTGATCTCGACTTCGTTCTTTTTTTACCTCTCGGTTATGAGTTAGTTCAAATTCGTTCTTTTTAGGTTCTAAATCGTGTTTTTCTTGGAATTGTGCTGTTTTATCCTTTACCTTGTCTACAAACCCCTTAAAAACGTTTTTAAAGGCTTTTAAGCCGTCTGTACGTTCCTTAAG

Pub110 biobrick.jpg


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