HEADER TRANSCRIPTION 31-DEC-69 7O75 TITLE Yeast RNA polymerase II transcription pre-initiation complex with TITLE 2 open promoter DNA COMPND MOL_ID: 17; COMPND 2 MOLECULE: DNA-directed RNA polymerase II subunit RPB9; COMPND 3 CHAIN: I; EXPDTA ELECTRON MICROSCOPY DBREF 7O75 I 1 122 UNP P27999 RPB9_YEAST 1 122 SEQRES 1 I 48 THR THR PHE ARG PHE CYS ARG ASP CYS ASN ASN MET LEU SEQRES 2 I 48 TYR PRO ARG GLU ASP LYS GLU ASN ASN ARG LEU LEU PHE SEQRES 3 I 48 GLU CYS ARG THR CYS SER TYR VAL GLU GLU ALA GLY SER SEQRES 4 I 48 PRO LEU VAL TYR ARG HIS GLU LEU ILE