Nature Structural and Molecular Biology, volume 13, issue 3, pages 218-225

Crystal structure of the essential N-terminal domain of telomerase reverse transcriptase

Jacobs Steven A. 1
Podell Elaine R. 1
Cech Thomas R 1
1
 
Department of Chemistry and Biochemistry, Howard Hughes Medical Institute, University of Colorado, Boulder, USA
Publication typeJournal Article
Publication date2006-02-05
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor16.8
ISSN15459993, 15459985
Molecular Biology
Structural Biology
Abstract
Telomerase, a ribonucleoprotein enzyme, adds telomeric DNA repeats to the ends of linear chromosomes. Here we report the first high-resolution structure of any portion of the telomerase reverse transcriptase, the telomerase essential N-terminal (TEN) domain from Tetrahymena thermophila. The structure, which seems to represent a novel protein fold, shows phylogenetically conserved amino acid residues in a groove on its surface. These residues are crucial for telomerase catalytic activity, and several of them are required for sequence-specific binding of a single-stranded telomeric DNA primer. The positively charged C terminus, which becomes ordered upon interaction with other macromolecules, is involved in binding RNA in a non–sequence-specific manner. The TEN domain's ability to bind both RNA and telomeric DNA, coupled with the notably strong effects on activity upon mutagenesis of single surface residues, suggest how this domain contributes to telomerase catalysis.

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Jacobs S. A., Podell E. R., Cech T. R. Crystal structure of the essential N-terminal domain of telomerase reverse transcriptase // Nature Structural and Molecular Biology. 2006. Vol. 13. No. 3. pp. 218-225.
GOST all authors (up to 50) Copy
Jacobs S. A., Podell E. R., Cech T. R. Crystal structure of the essential N-terminal domain of telomerase reverse transcriptase // Nature Structural and Molecular Biology. 2006. Vol. 13. No. 3. pp. 218-225.
RIS |
Cite this
RIS Copy
TY - JOUR
DO - 10.1038/nsmb1054
UR - https://doi.org/10.1038%2Fnsmb1054
TI - Crystal structure of the essential N-terminal domain of telomerase reverse transcriptase
T2 - Nature Structural and Molecular Biology
AU - Jacobs, Steven A.
AU - Podell, Elaine R.
AU - Cech, Thomas R
PY - 2006
DA - 2006/02/05 00:00:00
PB - Springer Nature
SP - 218-225
IS - 3
VL - 13
SN - 1545-9993
SN - 1545-9985
ER -
BibTex |
Cite this
BibTex Copy
@article{2006_Jacobs,
author = {Steven A. Jacobs and Elaine R. Podell and Thomas R Cech},
title = {Crystal structure of the essential N-terminal domain of telomerase reverse transcriptase},
journal = {Nature Structural and Molecular Biology},
year = {2006},
volume = {13},
publisher = {Springer Nature},
month = {feb},
url = {https://doi.org/10.1038%2Fnsmb1054},
number = {3},
pages = {218--225},
doi = {10.1038/nsmb1054}
}
MLA
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MLA Copy
Jacobs, Steven A., et al. “Crystal structure of the essential N-terminal domain of telomerase reverse transcriptase.” Nature Structural and Molecular Biology, vol. 13, no. 3, Feb. 2006, pp. 218-225. https://doi.org/10.1038%2Fnsmb1054.
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