BindingDB是一个公开的，可通过网络访问的测量结合亲和力的数据库，主要关注被认为是药物靶标的蛋白质与类似药物的小分子之间的相互作用。 BindingDB包含1,735,582个结合数据，涉及7,352个蛋白质靶标和770,124个小分子。
There are 2291 protein-ligand crystal structures with BindingDB affinity measurements for proteins with 100% sequence identity, and 5816 crystal structures allowing proteins to 85% sequence identity.