6JIM:
reference: Structural insights into RNA recognition by the Chikungunya virus nsP2 helicase., Law YS, Utt A, Tan YB, Zheng J, Wang S, Chen MW, Griffin PR, Merits A, Luo D, Proc Natl Acad Sci U S A. 2019 Apr 18. pii: 1900656116. doi:, 10.1073/pnas.1900656116. PMID: 31000599

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