5XB2:
reference: Structural studies of a hyperthermophilic thymidylate kinase enzyme reveal conformational substates along the reaction coordinate., Biswas A, Shukla A, Chaudhary SK, Santhosh R, Jeyakanthan J, Sekar K, FEBS J. 2017 Aug;284(15):2527-2544. doi: 10.1111/febs.14140. Epub 2017 Jul 13. PMID: 28627020

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