Difference between revisions of "Part:BBa K4960005"

 
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<partinfo>BBa_K4960005 short</partinfo>
 
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Photorhabdus virulence cassette (PVC) is one group of extracellular Contractile injection systems (CISs) that are cell-puncturing nanodevices for targeted delivery of proteins .[1]Structurally similar to other CISs, PVCs are also macromolecular complexes containing a rigid tube structure housed in a contractile sheath, which is anchored to a baseplate and sharpened by a spike protein.[2]
 
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The PVC tube linked with payloads consists of three structurally similar tube proteins, such that a complete syringe in a typical length contains 24 stacked hexameric rings of tube proteins, including 2 layers of tube initiators and 22 layers of main tube proteins. Among all related genes,pvc5 produces pvc5 hexameric rings which stacks onto the Pvc7 ring to form the first two initiator rings in the baseplate end of the PVC tube through opposite surface charges and electrostatic attraction.Furthermore, pvc5 is encircled to form the first layer of the sheath which aims to prepare for the contraction in the delivery process.
 
  
 
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===Usage and Biology===
 
===Usage and Biology===
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Photorhabdus virulence cassette (PVC) is one group of extracellular Contractile injection systems (CISs) that are cell-puncturing nanodevices for targeted delivery of proteins .[1]Structurally similar to other CISs, PVCs are also macromolecular complexes containing a rigid tube structure housed in a contractile sheath, which is anchored to a baseplate and sharpened by a spike protein.[2]<br>
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<img src="https://static.igem.wiki/teams/4960/wiki/basic-part/pvc2-3-4-5-6-7.png" class="figure-img img-fluid rounded"  height="200px">
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The PVC tube linked with payloads consists of three structurally similar tube proteins, such that a complete syringe in a typical length contains 24 stacked hexameric rings of tube proteins, including 2 layers of tube initiators and 22 layers of main tube proteins. Among all related genes,pvc5 produces pvc5 hexameric rings which stacks onto the Pvc7 ring to form the first two initiator rings in the baseplate end of the PVC tube through opposite surface charges and electrostatic attraction.Furthermore, pvc5 is encircled to form the first layer of the sheath which aims to prepare for the contraction in the delivery process.
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<img src="https://static.igem.wiki/teams/4960/wiki/basic-part/pvc-1-5-7.png"class="figure-img img-fluid rounded"  height="200px">
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<partinfo>BBa_K4960005 parameters</partinfo>
 
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===References===
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[1]Kreitz J, Friedrich MJ, Guru A, Lash B, Saito M, Macrae RK, Zhang F. Programmable protein delivery with a bacterial contractile injection system. Nature. 2023 Apr;
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[2]Jiang F, Li N, Wang X, Cheng J, Huang Y, Yang Y, Yang J, Cai B, Wang YP, Jin Q, Gao N. Cryo-EM Structure and Assembly of an Extracellular Contractile Injection System. Cell. 2019 Apr 4;

Revision as of 18:42, 10 October 2023


pvc5


Sequence and Features


Assembly Compatibility:
  • 10
    COMPATIBLE WITH RFC[10]
  • 12
    COMPATIBLE WITH RFC[12]
  • 21
    COMPATIBLE WITH RFC[21]
  • 23
    COMPATIBLE WITH RFC[23]
  • 25
    COMPATIBLE WITH RFC[25]
  • 1000
    COMPATIBLE WITH RFC[1000]


References

[1]Kreitz J, Friedrich MJ, Guru A, Lash B, Saito M, Macrae RK, Zhang F. Programmable protein delivery with a bacterial contractile injection system. Nature. 2023 Apr; [2]Jiang F, Li N, Wang X, Cheng J, Huang Y, Yang Y, Yang J, Cai B, Wang YP, Jin Q, Gao N. Cryo-EM Structure and Assembly of an Extracellular Contractile Injection System. Cell. 2019 Apr 4;