N-Phosphoryl Amino Acids and Biomolecular Origins. Review Paper in Honor of the 50th Anniversary of the Publication of ``A Production of Amino Acids under Possible Primitive Earth Conditions'' (Miller, 1953)

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N-Phosphoryl Amino Acid, Conjugate Of Amino Acid And Nucleoside, Origin Of Life, Phosphorus Chemistry, Penta-Coordinate Phosphorus Compounds

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The possible role of phosphoryl amino acids for biomolecular origins is briefly reviewed. Peptide formation, ester formation, ester exchange on phosphorus and N to O migration occurred when the N-phosphoryl amino acid was incubated at room temperature. Short nucleotides and peptides were formed when nucleoside was reacted with N-phosphoryl amino acid at room temperature. Serine and threonine residues in their conjugate with different nucleosides (mediated with phosphorus) showed different self-cleavage activities. N-phosphoryl Histine and Ser-His dipeptide could cleave nucleic acids, proteins and esters in neutral medium. Based on a simple model, a pathway of `co-evolution of protein and nucleic acid' was proposed.

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