6DBS:
reference: Fusion surface structure, function, and dynamics of gamete fusogen HAP2., Feng J, Dong X, Pinello J, Zhang J, Lu C, Iacob RE, Engen JR, Snell WJ, Springer TA, Elife. 2018 Oct 3;7. pii: 39772. doi: 10.7554/eLife.39772. PMID: 30281023

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