2K39:
reference: Recognition dynamics up to microseconds revealed from an RDC-derived ubiquitin ensemble in solution., Lange OF, Lakomek NA, Fares C, Schroder GF, Walter KF, Becker S, Meiler J, Grubmuller H, Griesinger C, de Groot BL, Science. 2008 Jun 13;320(5882):1471-5. PMID: 18556554

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