TP receptor:Thromboxane A2:G-protein G13 (inactive) TP receptor:Thromboxane A2:G-protein G13 (active) G13 activation by TP receptor Authored: Akkerman, JW, 2009-06-03 Edited: Jupe, S, 2009-11-03 Pubmed16418336 Reactome Database ID Release 43428917 Reactome, http://www.reactome.org ReactomeREACT_20567 Reviewed: Harper, MT, 2009-11-02 Reviewed: Jones, ML, 2009-11-02 Reviewed: Poole, AW, 2009-11-02 The G-protein alpha subunit exchanges GDP for GTP