Structural statistics from August, 2003 Classification Of Proteins 7 CLASSES (a, b, a/b, a+b 800 FOLDS domain structures 1.294 SUPERFAMILIES possible evolutionary relationship 2. 327 FAMILIES strong sequence homology 54.745 DOMAINS Murzin aG. se Brenner. t hubbard and c chothia. " SCoP. A Structural classification of proteins database for the Investigation of Sequences and Structures "J Mol Biol. 247, no. 4(7 April 1995): 536-40Structural statistics from August, 2003 Classification Of Proteins 7 CLASSES (a,b,a/b,a+b…) 800 FOLDS domain structures 1,294 SUPERFAMILIES possible evolutionary relationship 2,327 FAMILIES strong sequence homology 54,745 DOMAINS Murzin, AG, SE Brenner, T Hubbard, and C Chothia. "SCOP: A Structural Classification of Proteins Database for the Investigation of Sequences and Structures." J Mol Biol. 247, no. 4 (7 April 1995): 536-40