ArticleThe protein journal2013
Using cryoEM reconstruction and phase extension to determine crystal structure of bacteriophage ϕ6 major capsid protein.
Article in The protein journal, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Review
- An improved method for phasing crystal structures with low non-crystallographic symmetry using cryo-electron microscopy data.Protein & cell · 2015Article
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3 authors.
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Abstract
Bacteriophage ϕ6 is a double-stranded RNA virus that has been extensively studied as a model organism. Here we describe structure determination of ϕ6 major capsid protein P1. The protein crystallized in base centered orthorhombic space group C2221. Matthews's coefficient indicated that the crystals contain from four to seven P1 subunits in the crystallographic asymmetric unit. The self-rotation function had shown presence of fivefold axes of non-crystallographic symmetry in the crystals. Thus, electron density map corresponding to a P1 pentamer was excised from a previously determined cryoEM reconstruction of the ϕ6 procapsid at 7 Å resolution and used as a model for molecular replacement. The phases for reflections at higher than 7 Å resolution were obtained by phase extension employing the fivefold non-crystallographic symmetry present in the crystal. The averaged 3.6 Å-resolution electron density map was of sufficient quality to allow model building.
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