Multiple Assemblies exist for SMTL entry 1twg
RNA polymerase II complexed with CTP; X-RAY DIFFRACTION 3.30 Å

SMTL ID
1twg.1
Ligands
MANGANESE (II) ION; ZINC ION; CYTIDINE-5'-TRIPHOSPHATE
Polypeptides
DNA-directed RNA polymerase II largest subunit; DNA-directed RNA polymerase II 140 kDa polypeptide; DNA-directed RNA polymerase II 45 kDa polypeptide; DNA-directed RNA polymerases I, II, and III 27 kDa polypeptide; DNA-directed RNA polymerases I, II, and III 23 kDa polypeptide; DNA-directed RNA polymerases I, II, and III 14.5 kDa polypeptide; DNA-directed RNA polymerase II 14.2 kDa polypeptide; DNA-directed RNA polymerases I, II, and III 8.3 kDa polypeptide; DNA-directed RNA polymerase II 13.6 kDa polypeptide; DNA-directed RNA polymerases I, II, and III 7.7 kDa polypeptide
Oligo-state
hetero-1-1-1-1-1-1-1-1-1-1-mer
SMTL ID
1twg.2
Ligands
MANGANESE (II) ION; ZINC ION; CYTIDINE-5'-TRIPHOSPHATE
Polypeptides
DNA-directed RNA polymerase II largest subunit; DNA-directed RNA polymerase II 140 kDa polypeptide; DNA-directed RNA polymerase II 45 kDa polypeptide; DNA-directed RNA polymerases I, II, and III 27 kDa polypeptide; DNA-directed RNA polymerases I, II, and III 23 kDa polypeptide; DNA-directed RNA polymerases I, II, and III 14.5 kDa polypeptide; DNA-directed RNA polymerase II 14.2 kDa polypeptide; DNA-directed RNA polymerases I, II, and III 8.3 kDa polypeptide; DNA-directed RNA polymerase II 13.6 kDa polypeptide; DNA-directed RNA polymerases I, II, and III 7.7 kDa polypeptide
Oligo-state
hetero-4-4-4-4-4-4-4-4-4-4-mer
SMTL ID
1twg.3
Ligands
MANGANESE (II) ION; ZINC ION; CYTIDINE-5'-TRIPHOSPHATE
Polypeptides
DNA-directed RNA polymerase II largest subunit; DNA-directed RNA polymerase II 140 kDa polypeptide; DNA-directed RNA polymerase II 45 kDa polypeptide; DNA-directed RNA polymerases I, II, and III 27 kDa polypeptide; DNA-directed RNA polymerases I, II, and III 23 kDa polypeptide; DNA-directed RNA polymerases I, II, and III 14.5 kDa polypeptide; DNA-directed RNA polymerase II 14.2 kDa polypeptide; DNA-directed RNA polymerases I, II, and III 8.3 kDa polypeptide; DNA-directed RNA polymerase II 13.6 kDa polypeptide; DNA-directed RNA polymerases I, II, and III 7.7 kDa polypeptide
Oligo-state
hetero-2-2-2-2-2-2-2-2-2-2-mer