Structural basis of transcription: RNA polymerase II at 2.8 angstrom resolution.
Cramer, P., Bushnell, D.A., Kornberg, R.D.(2001) Science 292: 1863-1876
- PubMed: 11313498 
- DOI: 10.1126/science.1059493
- Primary Citation of Related Structures:  
1I3Q, 1I50 - PubMed Abstract: 
Structures of a 10-subunit yeast RNA polymerase II have been derived from two crystal forms at 2.8 and 3.1 angstrom resolution. Comparison of the structures reveals a division of the polymerase into four mobile modules, including a clamp, shown previously to swing over the active center ...