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Folding of membrane proteins G. von Heijne Dept. of Biochemistry, Stockholm University Most integral membrane proteins consist of tightly packed bundles of transmembrane alpha-helices. Although only a handful of high-resultion structures are available, some architectural features that will probably apply to membrane proteins in general are already apparent. Against this background, molecular genetic techniques can provide very detailed information on, e.g., the positioning of transmembrane helices in the bilayer and on the conformational properties of various kinds of amino acids when part of a transmembrane helix. ## Back to the list of abstracts