From amino acid mixtures to peptides in liquid sulphur dioxide on early Earth

F Sauer, M Haas, C Sydow, AF Siegle… - Nature …, 2021 - nature.com
The formation of peptide bonds is one of the most important biochemical reaction steps.
Without the development of structurally and catalytically active polymers, there would be no …

Primitive selection of the fittest emerging through functional synergy in nucleopeptide networks

AK Bandela, N Wagner, H Sadihov… - Proceedings of the …, 2021 - National Acad Sciences
Many fundamental cellular and viral functions, including replication and translation, involve
complex ensembles hosting synergistic activity between nucleic acids and …

Darwinian properties and their trade-offs in autocatalytic RNA reaction networks

S Ameta, S Arsène, S Foulon, B Saudemont… - Nature …, 2021 - nature.com
Discovering autocatalytic chemistries that can evolve is a major goal in systems chemistry
and a critical step towards understanding the origin of life. Autocatalytic networks have been …

Site-specific nonenzymatic peptide S/O-glutamylation reveals the extent of substrate promiscuity in glutamate elimination domains

AA Vinogradov, M Nagano, Y Goto… - Journal of the American …, 2021 - ACS Publications
Formation of dehydroalanine and dehydrobutyrine residues via tRNA-dependent
dehydration of serine and threonine is a key post-translational modification in the …

Supramolecular Antiparallel β-Sheet Formation by Tetrapeptides Based on Amyloid Sequence

S Misra, P Singh, RN Mahata, P Brandão… - The Journal of …, 2021 - ACS Publications
Self-assembly of short peptides has emerged as an interesting research field for a wide
range of applications. Recently, several truncated fragments of long-chain peptides or …

Covalent linkage and macrocylization preserve and enhance synergistic interactions in catalytic amyloids

Z Lengyel‐Zhand, LR Marshall, M Jung… - …, 2021 - Wiley Online Library
The self‐assembly of short peptides into catalytic amyloid‐like nanomaterials has proven to
be a powerful tool in both understanding the evolution of early proteins and identifying new …

Thioesters provide a robust path to prebiotic peptides

M Frenkel-Pinter, M Bouza, FM Fernández, LJ Leman… - 2021 - chemrxiv.org
The condensation of building blocks into oligomers and polymers was an early and
important stage in the origins of life. High activation energies, unfavorable thermodynamics …

[PDF][PDF] Peptide formation as on the early Earth: from amino acid mixtures to peptides in sulphur dioxide

O Trapp, F Sauer, M Haas, C Sydow, A Siegle, C Lauer - 2021 - scholar.archive.org
The formation of peptide bonds is one of the most important biochemical reaction steps.
Without the 22 development of structurally and catalytically active polymers, there would be …

[PDF][PDF] Molecular engineering of enzymatic reaction networks

A Pogodaev - 2021 - repository.ubn.ru.nl
Although scientists do not agree on one definition of life,[1] it is commonly held that it
displays certain features, such as metabolism, growth, reproduction and evolution. What …