The human SepSecS-tRNASec complex reveals the mechanism of selenocysteine formation.
Palioura, S., Sherrer, R.L., Steitz, T.A., Soll, D., Simonovic, M.(2009) Science 325: 321-325
- PubMed: 19608919 
- DOI: https://doi.org/10.1126/science.1173755
- Primary Citation of Related Structures:  
3HL2 - PubMed Abstract: 
Selenocysteine is the only genetically encoded amino acid in humans whose biosynthesis occurs on its cognate transfer RNA (tRNA). O-Phosphoseryl-tRNA:selenocysteinyl-tRNA synthase (SepSecS) catalyzes the final step of selenocysteine formation by a poorly understood tRNA-dependent mechanism ...