2CSE image
Entry Detail
PDB ID:
2CSE
Keywords:
VIRUS
Title:
Features of Reovirus Outer-Capsid Protein mu1 Revealed by Electron and Image Reconstruction of the virion at 7.0-A Resolution
Biological Source:
Source Organism:
Mammalian orthoreovirus 1, Mammalian orthoreovirus 3
PDB Version:
Deposition Date:
2005-05-21
Release Date:
2005-10-18
Method Details:
Experimental Method:
ELECTRON MICROSCOPY
Resolution:
7.00 Å
Aggregation State:
PARTICLE
Reconstruction Method:
SINGLE PARTICLE
2CSE validation report
Macromolecular Entities
Protein Blast
Polymer Type:polypeptide(L)
Description:Minor core protein lambda 3
Chain IDs:AA (auth: 1)
Chain Length:1267
Number of Molecules:1
Biological Source:Mammalian orthoreovirus 1
UniProt ID:P0CK32 Pfam ID:PF07925
Protein Blast
Polymer Type:polypeptide(L)
Description:major outer-capsid protein mu1
Chain IDs:A, B, C, N (auth: P), O (auth: Q), P (auth: R), Q (auth: J), R (auth: K), S (auth: L), T
Chain Length:708
Number of Molecules:10
Biological Source:Mammalian orthoreovirus 1
UniProt ID:P11077 Pfam ID:PF05993
Protein Blast
Polymer Type:polypeptide(L)
Description:major capsid surface protein sigma-3
Chain IDs:D (auth: S), E (auth: D), F (auth: E), G (auth: F), H (auth: M), I (auth: N), J (auth: O), K (auth: G), L (auth: H), M (auth: I)
Chain Length:365
Number of Molecules:10
Biological Source:Mammalian orthoreovirus 1
UniProt ID:P07939 Pfam ID:PF00979
Protein Blast
Polymer Type:polypeptide(L)
Description:guanylyltransferase
Chain IDs:U
Chain Length:1289
Number of Molecules:1
Biological Source:Mammalian orthoreovirus 3
UniProt ID:P11079 Pfam ID:PF21064, PF21063, PF21065, PF21062, PF21066, PF21060, PF21061, PF06016
Protein Blast
Polymer Type:polypeptide(L)
Description:major core protein lambda 1
Chain IDs:V, W
Chain Length:1275
Number of Molecules:2
Biological Source:Mammalian orthoreovirus 1
UniProt ID:Q9WAB2 Pfam ID:PF22033
Protein Blast
Polymer Type:polypeptide(L)
Description:Sigma 2 protein
Chain IDs:X, Y, Z
Chain Length:418
Number of Molecules:3
Biological Source:Mammalian orthoreovirus 1
UniProt ID:P11314 Pfam ID:PF03084
Ligand Molecules
NA
Primary Citation
Features of reovirus outer capsid protein mu1 revealed by electron cryomicroscopy and image reconstruction of the virion at 7.0 Angstrom resolution.
Structure 13 1545 1557 (2005)
PMID: 16216585 DOI: 10.1016/j.str.2005.07.012

Abstact

Reovirus is a useful model for addressing the molecular basis of membrane penetration by one of the larger nonenveloped animal viruses. We now report the structure of the reovirus virion at approximately 7.0 A resolution as obtained by electron cryomicroscopy and three-dimensional image reconstruction. Several features of the myristoylated outer capsid protein mu1, not seen in a previous X-ray crystal structure of the mu1-sigma3 heterohexamer, are evident in the virion. These features appear to be important for stabilizing the outer capsid, regulating the conformational changes in mu1 that accompany perforation of target membranes, and contributing directly to membrane penetration during cell entry.

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Primary Citation of related structures
2CSE