Difference between revisions of "Part:BBa K404009"
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<partinfo>BBa_K404009 short</partinfo>
 
<partinfo>BBa_K404009 short</partinfo>
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{| style="color:black; margin: 0px 0px 500px 20px;" cellpadding="6" cellspacing="1" border="2" align="right"
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! colspan="2" style="background:#66bbff;"|[https://parts.igem.org/Part:BBa_K404009 pCMV_AAV2-VP1]
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<h1>Usage and Biology</h1>
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|'''BioBrick Nr.'''
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|[https://parts.igem.org/Part:BBa_K404009 BBa_K404009]
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|-
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|'''RFC standard'''
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|[https://parts.igem.org/Help:Assembly_standard_10 RFC 10]
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|-
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|'''Requirement'''
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|pSB1C3_001<br>
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|-
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|'''Source'''
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|pAAV_RC from Stratagene
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|-
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|'''Submitted by'''
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|[http://2010.igem.org/Team:Freiburg_Bioware FreiGEM 2010]
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|}
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The viral capsid is formed by the three structural proteins VP1, VP2 and VP3 which are encoded by the cap gene in an overlapping reading frame. They form an icosahedral symmetry arranged in a stoichiometric ratio of 1:1:10. The mRNA encoding for the cap proteins is transcribed from p40 and alternative spliced to minor and major products. Sharing a common C terminus and stop codon, the VP proteins begin with a different start codon. The translation of VP2 from the major spliced mRNA is not as efficient as of VP1 and VP3 because it initiates at a Thr codon (ACG). The N terminus of VP2 contains a motiv of about 70 amino acids that is highly homologous to a phospholipase A2 (PLA2) domain.  Furthermore, there are nuclear localization sequences (BR)(+) which are supposed to be necessary for endosomal escape and nuclear entry. The exact role of VP2 remains unknown, although the protein is thought to be nonessential for viral assembly and infectivity.  
 
The viral capsid is formed by the three structural proteins VP1, VP2 and VP3 which are encoded by the cap gene in an overlapping reading frame. They form an icosahedral symmetry arranged in a stoichiometric ratio of 1:1:10. The mRNA encoding for the cap proteins is transcribed from p40 and alternative spliced to minor and major products. Sharing a common C terminus and stop codon, the VP proteins begin with a different start codon. The translation of VP2 from the major spliced mRNA is not as efficient as of VP1 and VP3 because it initiates at a Thr codon (ACG). The N terminus of VP2 contains a motiv of about 70 amino acids that is highly homologous to a phospholipase A2 (PLA2) domain.  Furthermore, there are nuclear localization sequences (BR)(+) which are supposed to be necessary for endosomal escape and nuclear entry. The exact role of VP2 remains unknown, although the protein is thought to be nonessential for viral assembly and infectivity.  
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(Quelle)
  
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<h3>Characterization</h3>
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<h3>References</h3>
  
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<center><img src="https://static.igem.org/mediawiki/parts/a/a7/Freiburg10_Cap_proteins_VP1_2%263.png" width="700"  
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<center><img src="https://static.igem.org/mediawiki/parts/a/a7/Freiburg10_Cap_proteins_VP1_2%263.png" width="600"  
 
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<b> Figure 1: The VP proteins are encoded in an overlapping open reading frame. </b>.
 
<b> Figure 1: The VP proteins are encoded in an overlapping open reading frame. </b>.
 
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Revision as of 13:47, 27 October 2010

pCMV_[AAV2]-VP1


pCMV_AAV2-VP1
BioBrick Nr. BBa_K404009
RFC standard RFC 10
Requirement pSB1C3_001
Source pAAV_RC from Stratagene
Submitted by [http://2010.igem.org/Team:Freiburg_Bioware FreiGEM 2010]

The viral capsid is formed by the three structural proteins VP1, VP2 and VP3 which are encoded by the cap gene in an overlapping reading frame. They form an icosahedral symmetry arranged in a stoichiometric ratio of 1:1:10. The mRNA encoding for the cap proteins is transcribed from p40 and alternative spliced to minor and major products. Sharing a common C terminus and stop codon, the VP proteins begin with a different start codon. The translation of VP2 from the major spliced mRNA is not as efficient as of VP1 and VP3 because it initiates at a Thr codon (ACG). The N terminus of VP2 contains a motiv of about 70 amino acids that is highly homologous to a phospholipase A2 (PLA2) domain. Furthermore, there are nuclear localization sequences (BR)(+) which are supposed to be necessary for endosomal escape and nuclear entry. The exact role of VP2 remains unknown, although the protein is thought to be nonessential for viral assembly and infectivity. (Quelle)

Characterization

References

Figure 1: The VP proteins are encoded in an overlapping open reading frame. .
Sequence and Features


Assembly Compatibility:
  • 10
    COMPATIBLE WITH RFC[10]
  • 12
    COMPATIBLE WITH RFC[12]
  • 21
    INCOMPATIBLE WITH RFC[21]
    Illegal XhoI site found at 701
    Illegal XhoI site found at 887
  • 23
    COMPATIBLE WITH RFC[23]
  • 25
    INCOMPATIBLE WITH RFC[25]
    Illegal NgoMIV site found at 665
  • 1000
    INCOMPATIBLE WITH RFC[1000]
    Illegal SapI site found at 1836