Fig. 1From: Propedia: a database for protein–peptide identification based on a hybrid clustering algorithmPropedia database schema, presenting the tables, fields and relationships. The complex table (white) is the core of the database and interconnects all the data; pdb entities (blue) including group, pdb_groups and pdb tables; peptide/receptor and organism tables (yellow); cluster tables (green); and alignment tables (orange)Back to article page