SCOP: a Structural Classification of Proteins database. - Tim J. P. Hubbard; Bart Ailey; Steven E. Brenner; Alexey G. Murzin; Cyrus Chothia (Nucleic Acids Res., 1999)

SCOP: a Structural Classification of Proteins database. - Loredana Lo Conte; Bart Ailey; Tim J. P. Hubbard; Steven E. Brenner; Alexey G. Murzin; Cyrus Chothia (Nucleic Acids Res., 2000)