5GW6:
reference: Water-Bridge Mediates Recognition of mRNA Cap in eIF4E., Lama D, Pradhan MR, Brown CJ, Eapen RS, Joseph TL, Kwoh CK, Lane DP, Verma CS, Structure. 2017 Jan 3;25(1):188-194. doi: 10.1016/j.str.2016.11.006. Epub 2016, Dec 1. PMID: 27916520

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