序列模体(英语:Sequence motif) PROSITE Databaseof protein families and domains (页面存档备份,存于互联网档案馆) SCOP StructuralclassificationofProteins CATH Class Architecture
University of Wisconsin-Madison List of transmembrane proteinsof known 3D structure TCDB - Transporter Classificationdatabase Orientations ofProteins in Membranes