Automated evaluation of quaternary structures from protein crystals
Fig 6
Example of a non-isomorphic assembly in the crystal.
(a) The crystal lattice of PDB 1A99, highlighting the C2 dimer wrapping around the unit cell (http://eppic-web.org/ewui/ewui/latticeGraph?id=1a99&interfaces=7). (b) Schematic 2D representation of a lattice that contains a valid C2 assembly, but which is not isomorphic throughout the crystal.