4ARZ:
reference: Crystal Structure of the Gtr1pGTP-Gtr2pGDP Protein Complex Reveals Large Structural Rearrangements Triggered by GTP-to-GDP Conversion., Jeong JH, Lee KH, Kim YM, Kim DH, Oh BH, Kim YG, J Biol Chem. 2012 Aug 24;287(35):29648-53. Epub 2012 Jul 17. PMID: 22807443

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