HEADER TRANSCRIPTION 31-DEC-69 7NVY TITLE RNA polymerase II pre-initiation complex with closed promoter DNA in TITLE 2 proximal position COMPND MOL_ID: 5; COMPND 2 MOLECULE: General transcription factor IIH subunit 3; COMPND 3 CHAIN: 4; COMPND 4 ENGINEERED: YES; EXPDTA ELECTRON MICROSCOPY DBREF 7NVY 4 1 308 UNP Q13889 TF2H3_HUMAN 1 308 SEQRES 1 4 28 GLY TYR VAL CYS SER VAL CYS LEU SER ILE PHE CYS ASN SEQRES 2 4 28 PHE SER PRO ILE CYS THR THR CYS GLU THR ALA PHE LYS SEQRES 3 4 28 ILE SER