Stochastic modelling of a three-dimensional glycogen granule synthesis and impact of the branching enzyme
Fig 2
Geometrical description of glucose chains.
Left: Coarse-grained linear chain. Assuming helical chains, glucose units are described as interpenetrated spheres with radius ρ = 0.65 nm. Two consecutive glucoses are distant by l = 0.24 nm, which is the radial contribution to the chain length of one glucose in a helical structure. Right: Description of a branching point. We generate the direction of the new branch by randomly picking two angles φ and ψ. The first monomer of the new branch will be located at a distance greater than 2ρ to insure no overlapping between the mother and the daughter branches.