3US6:
reference: Medicago truncatula histidine-containing phosphotransfer protein: Structural and biochemical insights into the cytokinin transduction pathway in plants., Ruszkowski M, Brzezinski K, Jedrzejczak R, Dauter M, Dauter Z, Sikorski M, Jaskolski M, FEBS J. 2013 Aug;280(15):3709-20. doi: 10.1111/febs.12363. Epub 2013 Jun 24. PMID: 23721763

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