Observation of a stable carbene at the active site of a thiamin enzyme.
Meyer, D., Neumann, P., Ficner, R., Tittmann, K.(2013) Nat Chem Biol 9: 488-490
- PubMed: 23748673 
- DOI: 10.1038/nchembio.1275
- Primary Citation of Related Structures:  
4KGD - PubMed Abstract: 
Carbenes are highly reactive chemical compounds that are exploited as ligands in organometallic chemistry and are powerful organic catalysts. They were postulated to occur as transient intermediates in enzymes, yet their existence in a biological system could never be demonstrated directly ...