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[[Image:1fou.png|left|200px]]


{{STRUCTURE_1fou|  PDB=1fou  |  SCENE=  }}
==CONNECTOR PROTEIN FROM BACTERIOPHAGE PHI29==
 
<StructureSection load='1fou' size='340' side='right'caption='[[1fou]], [[Resolution|resolution]] 3.20&Aring;' scene=''>
===CONNECTOR PROTEIN FROM BACTERIOPHAGE PHI29===
== Structural highlights ==
 
<table><tr><td colspan='2'>[[1fou]] is a 12 chain structure with sequence from [https://en.wikipedia.org/wiki/Bacillus_virus_phi29 Bacillus virus phi29]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1FOU OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1FOU FirstGlance]. <br>
{{ABSTRACT_PUBMED_11130079}}
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 3.2&#8491;</td></tr>
 
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1fou FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1fou OCA], [https://pdbe.org/1fou PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1fou RCSB], [https://www.ebi.ac.uk/pdbsum/1fou PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1fou ProSAT]</span></td></tr>
==About this Structure==
</table>
[[1fou]] is a 12 chain structure with sequence from [http://en.wikipedia.org/wiki/Bacillus_phage_phi29 Bacillus phage phi29]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1FOU OCA].  
== Function ==
 
[https://www.uniprot.org/uniprot/PORTL_BPPH2 PORTL_BPPH2] Forms the portal vertex of the capsid (PubMed:10801350) (PubMed:19744688, PubMed:21570409). This portal plays critical roles in head assembly, genome packaging, neck/tail attachment, and genome ejection (By similarity). The portal protein multimerizes as a single ring-shaped homododecamer arranged around a central channel (PubMed:11812138, PubMed:21570409). Binds to the 6 packaging RNA molecules (pRNA) forming a double-ring structure which in turn binds to the ATPase gp16 hexamer, forming the active DNA-translocating motor (PubMed:15886394, PubMed:11130079). This complex is essential for the specificity of packaging from the left DNA end.[UniProtKB:P13334]<ref>PMID:11130079</ref> <ref>PMID:11812138</ref> <ref>PMID:15886394</ref> <ref>PMID:19744688</ref> <ref>PMID:21570409</ref> <ref>PMID:10801350</ref>
==Reference==
== References ==
<ref group="xtra">PMID:011130079</ref><references group="xtra"/>
<references/>
[[Category: Bacillus phage phi29]]
__TOC__
[[Category: Anderson, D L.]]
</StructureSection>
[[Category: Badasso, M O.]]
[[Category: Bacillus virus phi29]]
[[Category: Baker, T S.]]
[[Category: Large Structures]]
[[Category: Grimes, S N.]]
[[Category: Anderson DL]]
[[Category: He, Y.]]
[[Category: Badasso MO]]
[[Category: Jardine, P J.]]
[[Category: Baker TS]]
[[Category: Leiman, P G.]]
[[Category: Grimes SN]]
[[Category: Morais, M C.]]
[[Category: He Y]]
[[Category: Olson, N H.]]
[[Category: Jardine PJ]]
[[Category: Rossmann, M G.]]
[[Category: Leiman PG]]
[[Category: Simpson, A A.]]
[[Category: Morais MC]]
[[Category: Tao, Y.]]
[[Category: Olson NH]]
[[Category: Alpha-helical barrel]]
[[Category: Rossmann MG]]
[[Category: Viral protein]]
[[Category: Simpson AA]]
[[Category: Tao Y]]

Latest revision as of 10:17, 7 February 2024

CONNECTOR PROTEIN FROM BACTERIOPHAGE PHI29CONNECTOR PROTEIN FROM BACTERIOPHAGE PHI29

Structural highlights

1fou is a 12 chain structure with sequence from Bacillus virus phi29. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:X-ray diffraction, Resolution 3.2Å
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

PORTL_BPPH2 Forms the portal vertex of the capsid (PubMed:10801350) (PubMed:19744688, PubMed:21570409). This portal plays critical roles in head assembly, genome packaging, neck/tail attachment, and genome ejection (By similarity). The portal protein multimerizes as a single ring-shaped homododecamer arranged around a central channel (PubMed:11812138, PubMed:21570409). Binds to the 6 packaging RNA molecules (pRNA) forming a double-ring structure which in turn binds to the ATPase gp16 hexamer, forming the active DNA-translocating motor (PubMed:15886394, PubMed:11130079). This complex is essential for the specificity of packaging from the left DNA end.[UniProtKB:P13334][1] [2] [3] [4] [5] [6]

References

  1. ↑ Simpson AA, Tao Y, Leiman PG, Badasso MO, He Y, Jardine PJ, Olson NH, Morais MC, Grimes S, Anderson DL, Baker TS, Rossmann MG. Structure of the bacteriophage phi29 DNA packaging motor. Nature. 2000 Dec 7;408(6813):745-50. PMID:11130079 doi:10.1038/35047129
  2. ↑ Guasch A, Pous J, Ibarra B, Gomis-Ruth FX, Valpuesta JM, Sousa N, Carrascosa JL, Coll M. Detailed architecture of a DNA translocating machine: the high-resolution structure of the bacteriophage phi29 connector particle. J Mol Biol. 2002 Jan 25;315(4):663-76. PMID:11812138 doi:http://dx.doi.org/10.1006/jmbi.2001.5278
  3. ↑ Xiao F, Moll WD, Guo S, Guo P. Binding of pRNA to the N-terminal 14 amino acids of connector protein of bacteriophage phi29. Nucleic Acids Res. 2005 May 10;33(8):2640-9. doi: 10.1093/nar/gki554. Print 2005. PMID:15886394 doi:http://dx.doi.org/10.1093/nar/gki554
  4. ↑ Fu CY, Prevelige PE Jr. In vitro incorporation of the phage Phi29 connector complex. Virology. 2009 Nov 10;394(1):149-53. doi: 10.1016/j.virol.2009.08.016. Epub 2009 , Sep 9. PMID:19744688 doi:http://dx.doi.org/10.1016/j.virol.2009.08.016
  5. ↑ Grimes S, Ma S, Gao J, Atz R, Jardine PJ. Role of phi29 connector channel loops in late-stage DNA packaging. J Mol Biol. 2011 Jul 1;410(1):50-9. doi: 10.1016/j.jmb.2011.04.070. Epub 2011 May, 5. PMID:21570409 doi:http://dx.doi.org/10.1016/j.jmb.2011.04.070
  6. ↑ Ibarra B, Caston JR, Llorca O, Valle M, Valpuesta JM, Carrascosa JL. Topology of the components of the DNA packaging machinery in the phage phi29 prohead. J Mol Biol. 2000 May 19;298(5):807-15. doi: 10.1006/jmbi.2000.3712. PMID:10801350 doi:http://dx.doi.org/10.1006/jmbi.2000.3712

1fou, resolution 3.20Å

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