2M6T:
reference: Functional evolution of IGF2:IGF2R domain 11 binding generates novel structural interactions and a specific IGF2 antagonist., Frago S, Nicholls RD, Strickland M, Hughes J, Williams C, Garner L, Surakhy M, Maclean R, Rezgui D, Prince SN, Zaccheo OJ, Ebner D, Sanegre S, Yu S, Buffa FM, Crump MP, Hassan AB, Proc Natl Acad Sci U S A. 2016 May 17;113(20):E2766-75. doi:, 10.1073/pnas.1513023113. Epub 2016 May 2. PMID: 27140600

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