6JJ0:
reference: Structures of 1:1 and 2:1 complexes of BMVC and MYC promoter G-quadruplex reveal a mechanism of ligand conformation adjustment for G4-recognition., Liu W, Lin C, Wu G, Dai J, Chang TC, Yang D, Nucleic Acids Res. 2019 Dec 16;47(22):11931-11942. doi: 10.1093/nar/gkz1015. PMID: 31740959

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