Difference between revisions of "Part:BBa K3185000"
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<!-- Add more about the biology of this part here | <!-- Add more about the biology of this part here |
Revision as of 12:52, 17 October 2019
SPYtag inserted Tm Encapsulin
Usage and Biology
TmEncapsulin is a protein found from Thermotoga maritima. A paper (Structural basis of enzyme encapsulation into a bacterial nano compartment) says that it consists of 60 monomers and forms capsule, Virus-like particle(VLP). iGEM also treats it as a useful part (BBa_K192000).
We used TmEncapsulin as a biological polymer. We put Spytag inside TmEncapsulin because we used SpyTag/SpyCatcher system to bind it to other parts. Also, this has three tag and cleavage sites. First is 6×His-tag inserted in the N-terminus of TmEncapsulin for protein purification. Second is HA-tag inserted between TmEncapsulin and 6x-His-tag to detect it by using antibodies. Third is a 6x-His tag because, in the paper, it was used for improving the heat-resistant ability of TmEncapsulin. (Programmable polyproteins built using twin peptide superglues)
We put it between the BamHI site and the Ndel site on pET11-a. We used BL21 (DE3) for gene expression. We used the Ni-NTA Agarose for purification. After that, we confirmed the molecular weight of SpyCatcher inserted TmEncapusulin by using SDS-PAGE.
Expression in E.coli
Protein Purification
Assays
Assay
Assay
Assay
Assay
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Sequence and Features
- 10COMPATIBLE WITH RFC[10]
- 12COMPATIBLE WITH RFC[12]
- 21INCOMPATIBLE WITH RFC[21]Illegal BglII site found at 77
Illegal BglII site found at 597 - 23COMPATIBLE WITH RFC[23]
- 25COMPATIBLE WITH RFC[25]
- 1000INCOMPATIBLE WITH RFC[1000]Illegal SapI.rc site found at 426
Illegal SapI.rc site found at 457