for (int i = 0; i < pdbfile.chains.size(); i++)\r
{\r
if (chain == null ||\r
( (PDBChain) pdbfile.chains.elementAt(i)).id.\r
toUpperCase().equals(chain))\r
for (int i = 0; i < pdbfile.chains.size(); i++)\r
{\r
if (chain == null ||\r
( (PDBChain) pdbfile.chains.elementAt(i)).id.\r
toUpperCase().equals(chain))\r