6MZF:
reference: Structural basis of tubulin recruitment and assembly by microtubule polymerases with tumor overexpressed gene (TOG) domain arrays., Nithianantham S, Cook BD, Beans M, Guo F, Chang F, Al-Bassam J, Elife. 2018 Nov 13;7. pii: 38922. doi: 10.7554/eLife.38922. PMID: 30422110

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