Enter PDBID:    or UPLOAD FILE:   Use Biological Coordinates? (INFO)

Data Files:   Types File:  NucProt (new)ProtOr (old) Residue File:  NucProt (new)ProtOr (old) Standard Volumes File:  NucProt258 (new)ProtOr173 (old)

Surface Threshold (Å2):           [Removes bad atoms: If atom surface area is greater than threshold, then it is reclassified to "possible"]

Plane Positioning Method:   Normal basic Normal Voronoi — simple bisection Method B   Fred Richards' Method B Radical standard Radical Plane — free from closure error Simple B traditional Simplified Method B — Richards' Method B assuming all atoms are non-bonded

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