%0 Journal Article %T The SUPERFAMILY database in 2004: additions and improvements %A Madera, Martin %A Vogel, Christine %A Kummerfeld, Sarah K. %A Chothia, Cyrus %A Gough, Julian %J Nucleic Acids Research %V 32 %N suppl_1 %P D235-D239 %@ 0305-1048 %D 2004-01-01 %I Oxford University Press %~ DeepDyve