Difference between revisions of "Part:BBa K3033014"
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       <img src="https://2020.igem.org/wiki/images/5/5a/T--UM_Macau--Crystalization_diagram.png" class= "center" width="800"
 
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<p style="text-align: justify; font-size: 14px; font-family: MuliLight; color: black; margin-left: auto; margin-right: auto;"><b>Figure 1.</b> Schematic of how ferritin subunits fit inside of the crystals’ hollow channel</p>
 
<p style="text-align: justify; font-size: 14px; font-family: MuliLight; color: black; margin-left: auto; margin-right: auto;"><b>Figure 1.</b> Schematic of how ferritin subunits fit inside of the crystals’ hollow channel</p>
 
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       <img src="https://2020.igem.org/wiki/images/2/23/T--UM_Macau--Ferritin_composite_sequence.png" class= "center" width="800"
 
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<p style="text-align: justify; font-size: 14px; font-family: MuliLight; color: black; margin-left: auto; margin-right: auto;"><b>Figure 2.</b> Optimized construct with iBox-PAK4</p>
 
<p style="text-align: justify; font-size: 14px; font-family: MuliLight; color: black; margin-left: auto; margin-right: auto;"><b>Figure 2.</b> Optimized construct with iBox-PAK4</p>
 
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Revision as of 10:33, 27 October 2020


FtnA

Derived from E.coli and synthesized through IDT. This codes for the ferratin which would be storing ferric ions for our magnetization function. A gene that originally contained in E.coli, which encodes for ferritin, a globular protein that consist of 24 subunits to form nanocage. The nanocage structure could store Fe3+ ions/Ferritin and therefore enhance the effectiveness and efficiency of E.coli magnetization for movement control.


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]


No part name specified with partinfo tag. University of Macau 2020

UM_Macau 2020: Characterization of Magnetic ability improve

Description

Inspired by the magnetization and control system from the UM_Macau team 2019, we design our bacteria cleaning system in the aquarium and make an improvement on their part. However, the magnetization capability of Ferritin is poorly limited. We have found literature that tagging iBox-PAK4 would be enhancing the magnetization capability of the FtnA protein.

InkaBox(BBa_K3630017)-PAK4(PAK4BBa_K3630018) can spontaneously form needle-like crystals when expressed in mammalian cells.

literature show when inkabox with PAK4cat, conformational changes allow the spontaneous crystallization of the complex, producing long rod-shaped crystals with a unit cell that has a hexagonal arrangement of subunits around a hollow channel. The rod-shaped crystal exerts magnetic forces that are 9 orders of magnitude larger than those in previous reports.

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Figure 1. Schematic of how ferritin subunits fit inside of the crystals’ hollow channel

For bacterial expression, Robert C. Robinson has several plasmids as expression vectors for Inka1 and PAK4, and successfully transfer to HEK293T cell.

Therefore, we encoding gene iBox(BBa_K3630017) and PAK4(PAK4BBa_K3630018) to downstream of the original FtnA(BBa_K3033014) and form the composite construct(BBa_K3630029) (fig. 2) to reach a stronger magnetic force.


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Figure 2. Optimized construct with iBox-PAK4