CATH

The CATH database is a hierarchical domain classification of protein structures in the Protein Data Bank. Protein structures are classified using a combination of automated and manual procedures. There are four major levels in the CATH hierarchy; Class, Architecture, Topology and Homologous superfamily.

CATH数据库是对蛋白质数据银行中蛋白质结构进行层级分类的领域分类系统。蛋白质结构分类采用自动和人工相结合的程序进行。CATH层级体系包含四个主要级别：类别、架构、拓扑和同源超家族。