Sentence examples for threefold axis from inspiring English sources
In the 2Zn crystals, three non-crystallographic insulin dimers are assembled around two Zn ions on the threefold axis.
As shown in Additional file 1: Figure S1 there are 3 AB and 3 CD dimers in the unit cell grouped around a crystallographic threefold axis.
In porcine insulin 2 Zn crystals [1], three insulin dimers are assembled around two zinc ions, 15.82 Å apart on the threefold axis.
The AAVrh.8 capsid exhibits the surface topology conserved in all AAVs: depressions at the icosahedral twofold axis and surrounding the cylindrical channel at the fivefold axis, and three protrusions around the threefold axis.
Molecular modeling studies suggest that AAV2 contributes to surface loops at the icosahedral threefold axis of symmetry, while AAV1 and 9 contribute to two- and fivefold symmetry interactions, respectively.
This interaction, which is able to induce a deformation in the molecule, may also fix the methyl group by making its rotation around the threefold axis more difficult with the consequent hardening of the vibrational modes.
CMV capsids tolerate disruption of acid base pairing interactions at the quasi-threefold axis of symmetry, but these interactions are essential for maintaining aphid vector transmissibility.
In the atomic model of Cucumber mosaic virus (CMV), six amino acid residues form stabilizing salt bridges between subunits of the asymmetric unit at the quasi-threefold axis of symmetry.
One good example deposited in the PDB where the internal symmetry of the protein directed the POM's position is the binding of two [V7O19]3− anions which are sitting along the threefold-axis of Uridine Phosphorylase from E. coli (PDB entry: 1RXS [98].
Random mutagenesis of residues within a surface-exposed region of the major AAV9 capsid protein yielded a capsid library with mutations clustered at the icosahedral threefold symmetry axis.
A three-helix bundle is formed around the pseudo threefold-symmetry axis, with each protomer contributing one helix (termed gate helix, formerly called pore helix) from its PN1 subdomain.
