The completed sequencing of entire bacterial genomes and recent advances in genomics has allowed the identification of many genes. While several genes have been characterized, the function of the ...

Ribbon reconstruction view of the crystal structure of an RNA group II intron -- red domain is the active site. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases ...

An ancient bacterial enzyme (grey) crawls along a tangled strand of RNA (orange), creating a complimentary strand of DNA (blue). Lambowitz and his team think this enzyme -- called GsI-IIC RT and part ...

The eukaryotic spliceosome is a multi-megadalton ribonucleoprotein (RNP) complex found in eukaryotic nuclei that catalyzes the removal of introns (non-coding regions) from pre-mRNA and splices exons ...