SCOP, a structural classification of proteins data base, organizes proteins hierarchically according to their families and folds. Once the protein of interest has been identified, it is easy to find other proteins of similar structure.

• SCOP是蛋白质结构分类数据库，它根据蛋白质的家族和折叠来分层次地组织蛋白质结构数据，当某一个感兴趣的蛋白质被检出后，很容易地发现结构与之相似的蛋白质。