5DOF:
reference: The Tetrahymena telomerase p75-p45-p19 subcomplex is a unique CST complex., Wan B, Tang T, Upton H, Shuai J, Zhou Y, Li S, Chen J, Brunzelle JS, Zeng Z, Collins K, Wu J, Lei M, Nat Struct Mol Biol. 2015 Nov 9. doi: 10.1038/nsmb.3126. PMID: 26551074

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