5YO3:
reference: Protein crystal quality oriented disulfide bond engineering., Pu M, Xu Z, Peng Y, Hou Y, Liu D, Wang Y, Liu H, Song G, Liu ZJ, Protein Cell. 2017 Oct 16. pii: 10.1007/s13238-017-0482-7. doi:, 10.1007/s13238-017-0482-7. PMID: 29039033

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