Figure 2.

Surface properties on HOLLOW surface. (A) The opening of a surface channel can be specified in terms of a cylindrical constraint by displaying the surface of the dummy atoms found wholly inside the constraint (white) while hiding the surface of dummy atoms on the surface of the constraint (red). (B) The B-factor of the HOLLOW surface can be depicted by color to indicate accuracy of the molecular surface. (C) The mapping of electrostatic potential onto the HOLLOW surface can also be achieved in PyMOL with the APBS plug-in [11,12].

Ho and Gruswitz BMC Structural Biology 2008 8:49   doi:10.1186/1472-6807-8-49
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