POCASA 1.1

pdb file which contains protein coordinates

"NULL" (means the first chain) or like:"A", "a,b", "1 2" or "ABC"

The radius (Å) of probe sphere (positive integer)

Single Point Flag (nonnegative integer less than 28)

Protein Depth Flag (nonnegative integer less than 28)

The number of results to show. specify 0 to show all candidates.

The size of unit grid.

The type of atom.