           Stephen Toddo 1 , Bill Söderström 1 , Isolde Palombo 1 , Gunnar von Heijne 1,2 , Morten H. H. Nørholm 1,3 and Daniel O. Daley 1 1 Center for Biomembrane Research, Department of Biochemistry and Biophysics, Stockholm University, SE-106 91, Sweden. 2 Science for Life Laboratory, Bioinformatics Infrastructure for Life Sciences, Department of Biochemistry and Biophysics, Stockholm University, SE-17 121 Sweden. 3 Present address: Novo Nordisk Foundation Center for Biosustainability, Technical University of Denmark, Fremtidsvej 3, DK-2970 Hørsholm, Denmark. Address correspondence to: MHHN morno@biosustain.dtu.dk. Phone: +45 2179 9184 Fax: +45-353-33300 or DOD ddaley@dbb.su.se. Phone: +46-8-16 29 10 Fax: +46-8-15 36 79  : Topology mappingmembrane proteins with split-GFP      14       3       0        0 For the Record Protein Science DOI 10.1002/pro.2131 This article has been accepted for publication and undergone full peer review but has not been through the copyediting, typesetting, pagination and proofreading process which may lead to differences between this version and the Version of Record. Please cite this article as doi: 10.1002/pro.2131 © 2012 The Protein Society Received: Apr 30, 2012; Revised: Jul 06, 2012; Accepted: Jul 16, 2012