5U3I:
reference: Discovery of GBT440, an Orally Bioavailable R-State Stabilizer of Sickle Cell Hemoglobin., Metcalf B, Chuang C, Dufu K, Patel MP, Silva-Garcia A, Johnson C, Lu Q, Partridge JR, Patskovska L, Patskovsky Y, Almo SC, Jacobson MP, Hua L, Xu Q, Gwaltney SL 2nd, Yee C, Harris J, Morgan BP, James J, Xu D, Hutchaleelaha A, Paulvannan K, Oksenberg D, Li Z, ACS Med Chem Lett. 2017 Jan 23;8(3):321-326. doi: 10.1021/acsmedchemlett.6b00491., eCollection 2017 Mar 9. PMID: 28337324

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