6IYN:
reference: Chemical shift assignments of a camelid nanobody against aflatoxin B1., Nie Y, Li S, Zhu J, Hu R, Liu M, He T, Yang Y, Biomol NMR Assign. 2019 Apr;13(1):75-78. doi: 10.1007/s12104-018-9855-y. Epub, 2018 Oct 16. PMID: 30328057

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