Specific protein-nucleic acid recognition in ribonuclease T1–2′-guanylic acid complex: an X-ray study
- 1 September 1982
- journal article
- research article
- Published by Springer Nature in Nature
- Vol. 299 (5878), 27-31
- https://doi.org/10.1038/299027a0
Abstract
RNase T1 is folded into an α-helix of 4.5 turns, covered by a four-strand antiparallel β-sheet. Specific recognition of 2′-guanylic acid arises from hydrogen bonding between main chain peptide groups and the O-6 and N-1–H of guanine, as well as from stacking of Tyr 45 on guanine. At the active site, Glu 58, His 92 and Arg 77 are involved in phosphodiester hydrolysis.This publication has 47 references indexed in Scilit:
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