Difference between revisions of "Part:BBa K2834006"
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===Usage and Biology=== | ===Usage and Biology=== | ||
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Antimicrobial peptides (AMPs) are oligopeptides with a varying number (from five to over a hundred) of amino acids that have a broad spectrum of targeted organisms ranging from viruses to parasites1. AMPs are molecules present in the immune system of multinuclear organisms, acting in the defense against invaders such as gram-positive, gram-negative bacteria and fungi3. | Antimicrobial peptides (AMPs) are oligopeptides with a varying number (from five to over a hundred) of amino acids that have a broad spectrum of targeted organisms ranging from viruses to parasites1. AMPs are molecules present in the immune system of multinuclear organisms, acting in the defense against invaders such as gram-positive, gram-negative bacteria and fungi3. | ||
Revision as of 00:14, 14 October 2018
Expressible abaecin antimicrobial peptide from Apis mellifera
This BioBrick™ counts with a T7 promoter + RBS, a pelB leader sequence, abaecin, a 6x His-Tag and a T1 terminator from E. coli. This composite enables the expression of abaecin in E. coli BL21 (DE3). The IPTG-inducible promoter controls the expression of the T7 polymerase gene in E. coli BL21 (DE3), later T7 polymerase can synthesize large quantities of RNA from a DNA sequence cloned downstream of the T7 promoter due to its high processivity and transcription frequency. The pelB leader sequence directs the protein to the periplasmic membrane of E. coli promoting the correct folding of proteins and reducing the formation of inclusion bodies. The His-Tag consists of six histidine residues that are used to purify the recombinant protein, and finally, the T1 terminator is employed to provide efficient transcription termination.
As this composite includes coding regions for fusion peptides, scars are not part of the sequence between pelB, abaecin and the His-tag. The exact synthesized sequence is:
TAATACGACTCACTATAGGGAAAGAGGAGAAATACTAGATGAAATACCTGCTGCCGACCGCTGCTGCTGGTCTGCTGCTCCTCGCTGCCCAGCCGGCGATGGCC CGTGTCCGGCGTCCAGTATACATTCCGCAGCCACGCCCGCCCCACCCGAGGCTCCATCACCATCACCATCACTGATACTAGAGCCAGGCATCAAATAAAACGAA AGGCTCAGTCGAAAGACTGGGCCTTTCGTTTTATCTGTTGTTTGTCGGTGAACGCTCTC
Sequence and Features
- 10COMPATIBLE WITH RFC[10]
- 12COMPATIBLE WITH RFC[12]
- 21COMPATIBLE WITH RFC[21]
- 23COMPATIBLE WITH RFC[23]
- 25INCOMPATIBLE WITH RFC[25]Illegal NgoMIV site found at 86
- 1000COMPATIBLE WITH RFC[1000]