On the origin of protein biosynthesis.
There is a very close steric relationship between the codon-anticodon site which accounts for the genetic code dictionary and a polynucleotide replicase site. Protein biosynthesis must therefore have arisen out of a primaeval polynucleotide replicase system.
D000926:Anticodon; D005075:Biological Evolution; D003062:Codon; D005815:Genetic Code; D000069497:Origin of Life; D011118:Polynucleotide Ligases; D014176:Protein Biosynthesis; D012343:RNA, Transfer; D012324:RNA-Dependent RNA Polymerase
D000926:Anticodon; D003062:Codon; D012343:RNA, Transfer; D012324:RNA-Dependent RNA Polymerase; D011118:Polynucleotide Ligases