4FD9:
reference: Aggregation-prone near-native intermediate formation during unfolding of a structurally similar nonlenticular betagamma-crystallin domain., Rajanikanth V, Srivastava SS, Singh AK, Rajyalakshmi M, Chandra K, Aravind P, Sankaranarayanan R, Sharma Y, Biochemistry. 2012 Oct 30;51(43):8502-13. doi: 10.1021/bi300844u. Epub 2012 Oct, 18. PMID: 23043265

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