Surface texture represents the MLP (lipophilic potential) calculated using an atom-based formula (Testa) as described in Andrei et al.. Values are converted to scale of shine/smooth (very hydrophobic) to dull/rough (very hydrophilic).
Electrostatic Potential (EP) is calculated in the space of the protein using APBS, converted to vector grid, and the grid is used for drawing EP lines, in proportion to the local charge at the protein surface. Particles travel along the lines in the direction of negative charge.
We do plan to set up an automatic server in the future, however we are still studying different possible visualization and implementation systems, and cannot say at this moment when.
Please contact us if you wish to have your protein represented using this code or if you are interested in any other aspect of this work. Both compliments and constructive critiques are also very welcome.