7uy7

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Tetrahymena CST with Polymerase alpha-PrimaseTetrahymena CST with Polymerase alpha-Primase

Structural highlights

7uy7 is a 6 chain structure with sequence from Tetrahymena thermophila. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Ligands:
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

[TAP19_TETTS] Component of a CST-like subcomplex of the holoenzyme telomerase ribonucleoprotein complex, which stimulates telomerase complementary-strand synthesis (PubMed:26551074). Telomerase is an essential ribonucleoprotein enzyme that copies new telomeric repeats onto chromosome ends by repetitively synthesizing the short telomere-repeat sequence 5'-TTGGGG-3' using an RNA template component TER (PubMed:26551074). The CST-like subcomplex (also named 7-4-1) binds telomeric single-stranded DNA and coordinates telomere G-strand and C-strand synthesis (PubMed:26551074).[1]

References

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

7uy7, resolution 4.20Å

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