3U5S:
reference: (77)Se Enrichment of Proteins Expands the Biological NMR Toolbox., Schaefer SA, Dong M, Rubenstein RP, Wilkie WA, Bahnson BJ, Thorpe C, Rozovsky S, J Mol Biol. 2012 Nov 15. pii: S0022-2836(12)00883-2. doi:, 10.1016/j.jmb.2012.11.011. PMID: 23159557

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