Chemical cross-linking (XL) is widely used to investigate protein–protein interactions (PPIs), including transient or low abundance subcomplexes in mass spectrometry workflows. However, identifying ...
A new meta-analysis of six decades of protein research suggests that the earliest proteins on Earth may have formed complex three-dimensional structures using only about half of the amino acids found ...
How did the earliest life on Earth build complex biological machinery with so few tools? A new study explores how the ...
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