Journal
TRENDS IN BIOCHEMICAL SCIENCES
Volume 32, Issue 3, Pages 138-145Publisher
ELSEVIER SCIENCE LONDON
DOI: 10.1016/j.tibs.2007.01.005
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Funding
- NATIONAL INSTITUTE OF GENERAL MEDICAL SCIENCES [R01GM050313] Funding Source: NIH RePORTER
- NIGMS NIH HHS [GM50313] Funding Source: Medline
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Group II introns are among the largest ribozymes in nature. They have a highly complex tertiary architecture that enables them to catalyze numerous processes, including self-splicing and transposition reactions that have probably contributed to the evolution of eukaryotic genomes. Biophysical analyses show that, despite their large size, these RNAs can fold to their native state through direct pathways that are populated by structurally defined intermediates. In addition, proteins have specific and important roles in this folding process. As a consequence, the study of the group 11 introns provides a valuable system for both exploring the driving forces behind the folding of multidomain RNA molecules and investigating ribonucleoprotein assembly.
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