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(A) Chemical structure of PJ34. Structural overview of the HCoV-OC43 N-NTD–PJ34 complex. (B) Unbiased difference electron density of PJ34 contoured at 2.9σ. (C) Ribbon representation of the HCoV-OC43 N-NTD with PJ34 depicted as a stick model. (D) Electrostatic surface of the HCoV-OC43 N-NTD–PJ34 complex. Blue denotes positive charge potential, while red indicates negative charge potential.
