Facile peptide bond formation: effective interplay between isothiazolone rings and silanol groups at silver/iron oxide nanocomposite surfaces

A Maleki, R Taheri-Ledari, J Rahimi… - ACS …, 2019 - ACS Publications
Proportional to considerable progress in protein–drug conjugations, attention to the efficient
peptide coupling reagents is being increased. Hence, in this study, a versatile …

Phosphoric acid salts of amino acids as a source of oligopeptides on the early Earth

JE Šponer, R Coulon, M Otyepka, J Šponer… - Communications …, 2024 - nature.com
Because of their unique proton-conductivity, chains of phosphoric acid molecules are
excellent proton-transfer catalysts. Here we demonstrate that this property could have been …

Reduction-oxidation kinetics of three different iron oxide phases for CO2 activation to CO

MH Jeong, DH Lee, GY Han, CH Shin, MK Shin, CK Ko… - Fuel, 2017 - Elsevier
The reduction-oxidation characteristics and proper kinetic models of three different iron ores
having respective main phases of FeOOH, Fe 3 O 4, and Fe 2 O 3 were investigated using …

Prebiotic peptide bond formation through amino acid phosphorylation. Insights from quantum chemical simulations

B Martínez-Bachs, A Rimola - Life, 2019 - mdpi.com
Condensation reactions between biomolecular building blocks are the main synthetic
channels to build biopolymers. However, under highly diluted prebiotic conditions …

Spontaneous polymerization of glycine under hydrothermal conditions

U Pedreira-Segade, J Hao, G Montagnac… - ACS Earth and Space …, 2019 - ACS Publications
The abiotic polymerization of nucleotides and amino acids is a prerequisite for the
emergence of life. It has been proposed that hydrothermal conditions might favor the …

The effect of goethites on the polymerization of glycine and alanine under prebiotic chemistry conditions

JPT Baú, CEA Carneiro, ACS da Costa… - Origins of Life and …, 2021 - Springer
After pre concentration of monomers, polymerization is the second most important step for
molecular evolution. The formation of peptides is an important issue for prebiotic chemistry …

Study of the Reactivity of CH3COOH+• and COOH+ Ions with CH3NH2: Evidence of the Formation of New Peptide-like C(O)–N Bonds

I Derbali, R Thissen, C Alcaraz… - The Journal of …, 2021 - ACS Publications
Acetamide, a small organic compound containing a peptide bond, was observed in the
interstellar medium, but reaction pathways leading to the formation of this prebiotic molecule …

A few experimental suggestions using minerals to obtain peptides with a high concentration of L-amino acids and protein amino acids

DAM Zaia, CTBV Zaia - Symmetry, 2020 - mdpi.com
The peptides/proteins of all living beings on our planet are mostly made up of 19 L-amino
acids and glycine, an achiral amino acid. Arising from endogenous and exogenous sources …

Iron‐Mediated Peptide Formation in Water and Liquid Sulfur Dioxide under Prebiotically Plausible Conditions

C Sydow, F Sauer, AF Siegle, O Trapp - ChemSystemsChem, 2023 - Wiley Online Library
Peptides have essential structural and catalytic functions in living organisms. The formation
of peptides requires the overcoming of thermodynamic and kinetic barriers. In recent years …

Bonding and thermal stability of cysteine on single-crystalline iron oxide surfaces and Pt (111)

JM Abdou, P Seidel, M Sterrer - The Journal of Chemical Physics, 2020 - pubs.aip.org
Model studies on the adsorption of simple amino acids on single-crystalline substrates
provide the basis for understanding the interactions of more complex biomolecules with …