7CAP:
reference: NMR Characterization of Conformational Interconversions of Lys48-Linked Ubiquitin Chains., Hiranyakorn M, Yanaka S, Satoh T, Wilasri T, Jityuti B, Yagi-Utsumi M, Kato K, Int J Mol Sci. 2020 Jul 28;21(15). pii: ijms21155351. doi: 10.3390/ijms21155351. PMID: 32731397

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