2 papers
q-bio.BM2026
Deep-time consistency in proteome elemental composition across cellular and viral life
L. Felipe Benites, Louie Slocombe, Sara I. Walker
Proteins are constructed from a limited alphabet of ~20 amino acids, yet the origins and selection of this specific alphabet are unresolved. One largely overlooked aspect is whethe…
q-bio.BM2026
Elemental Stoichiometry as an Ecological Biosignature with Applications to Life Detection
Pilar C. Vergeli, Cole Mathis, John F. Malloy +5
The vast chemical space of possible small molecules, estimated at 10^60 compounds for molecules composed of just C, N, O, and S, is only sparsely occupied by biology. We propose th…