https://pubmed.ncbi.nlm.nih.gov/3129401/
New function of vitamin B12: cobamide-dependent reduction of epoxyqueuosine to queuosine in tRNAs...
Queuosine (Q), 7-[(4,5-cis-dihydroxy-2-cyclopentene-1-yl)-amino)methyl)-7- deazaguanosine, and Q derivatives usually replace guanosine in the anticodon of...