University of Wisconsin-Madison List of transmembrane proteinsof known 3D structure TCDB - Transporter Classification databaseOrientationsofProteinsin Membranes
(原始内容存档于2021-03-14). Lomize A, Lomize M, Pogozheva I. OrientationsofProteinsinMembranes (OPM) database. University of Michigan. [2008-03-21]. (原始内容存档于2014-01-03)
Common structural features of MAPEG -- a widespread superfamily of membrane associated proteins with highly divergent functions in eicosanoid and glutathione