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Article
Open AccessEsperanto for histones: CENP-A, not CenH3, is the centromeric histone H3 variant
The first centromeric protein identified in any species was CENP-A, a divergent member of the histone H3 family that was recognised by autoantibodies from patients with scleroderma-spectrum disease. It has rec...
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Article
Atomic structure of the ectodomain from HIV-1 gp41
Fusion of viral and cellular membranes by the envelope glyco-protein gp120/gp41 effects entry of HIV-1 into the cell. The precursor, gp160, is cleaved post-translationally into gp120 and gp41 (refs 1,2), which...
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Article
Crystal structure of the PI 3-kinase p85 amino-terminal SH2 domain and its phosphopeptide complexes
Crystal structures of the amino-terminal SH2 domain of the p85α subunit of phosphatidylinositol (PI) 3-kinase, alone and in complex with phosphopeptides bearing pTyr-Met/Val-Xaa-Met motifs, show that phosphope...
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Article
Structure of simian virus 40 at 3.8-Å resolution
The crystallographically determined structure of simian virus 40 shows that the 72 pentamers of viral protein VP1, which form the outer shell, have identical conformations except for the C-terminal arms of the...
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Article
Structure of the represser–operator complex of bacteriophage 434
The crystal structure of a specific complex between the DNA-binding domain of phage 434 represser and a synthetic 434 operator DNA shows interactions that determine sequence-dependent affinity. The represser ...
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Chapter
A Bacteriophage Repressor/Operator Complex at 7 Å Resolution
Possible mechanisms for sequence-specific affinity of proteins for DNA include: (1) ‘direct readout’ of base sequence by interactions of residues in the protein with functional groups on the DNA bases; (2) ‘in...
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Article
Structure of the expanded state of tomato bushy stunt virus
The full three-dimensional structure determination of tomato bushy stunt virus has shown how its protein subunit can accommodate to different packing environments in the viral coat and how the size of the part...
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Article
Tomato bushy stunt virus at 2.9 Å resolution
The polypeptide chain of a TBSV subunit folds into two domains, connected by a hinge, and a flexibly-linked N-terminal arm. Sixty of the 180 N-terminal arms inter-digitate in groups of three, in an unexpected ...
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Article
DNA arrangement in isometric phage heads
DNA is wound tightly into phage heads in such a way that it tends to form layers concentric with the rigid protein shell. In P22 and wild-type lambda, DNA completely fills the internal volume, with a highly un...
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Article
Tomato bushy stunt virus at 5.5-Å resolution
The coat of tomato bushy stunt virus is built from protein subunits having rigid domains connected by a flexible hinge. Two states of the hinge are present in the T = 3 icosahedral structure. Each subunit has ...
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Article
Molecular Organization in the Sarcoplasmic Reticulum Membrane studied by X-ray Diffraction
Orientated preparations of rabbit sarcoplasmic reticulum vesicles give X-ray diffraction maxima to a resolution of 16 Å. The calculated electron density profile shows that protein is distributed very asymmetri...