Luisa Reiser
@luisareiser.bsky.social
Reposted by Luisa Reiser
Not only does Bennu contain all 5 of the nucleobases that form DNA and RNA on Earth and 14 of the 20 amino acids found in known proteins, the asteroid’s amino acids hold a surprise
https://go.nature.com/4hDJnFM
https://go.nature.com/4hDJnFM
Asteroid fragments upend theory of how life on Earth bloomed
Nature - Samples from Bennu contain the chemical building blocks of life — but with a twist.
go.nature.com
February 1, 2025 at 11:22 AM
Not only does Bennu contain all 5 of the nucleobases that form DNA and RNA on Earth and 14 of the 20 amino acids found in known proteins, the asteroid’s amino acids hold a surprise
https://go.nature.com/4hDJnFM
https://go.nature.com/4hDJnFM
Reposted by Luisa Reiser
A new paper from the Hoebartner Lab @UniWue @chlab.bsky.social reports the crystal structures of the ribozyme SAMURI, revealing the mechanism of its methyltransferase activity and site-selectivity
www.nature.com/articles/s41...
www.nature.com/articles/s41...
Structure and catalytic activity of the SAM-utilizing ribozyme SAMURI - Nature Chemical Biology
Crystal structures of the ribozyme SAMURI reveal the alkyltransferase mechanism and show N3-modified adenosine and dealkylated cofactor in the active site, allowing for a comparison with riboswitches ...
www.nature.com
January 14, 2025 at 5:26 PM
A new paper from the Hoebartner Lab @UniWue @chlab.bsky.social reports the crystal structures of the ribozyme SAMURI, revealing the mechanism of its methyltransferase activity and site-selectivity
www.nature.com/articles/s41...
www.nature.com/articles/s41...