TITLE     E. coli mutant sigma-S transcription initiation complex with an 8-nt
TITLE   2 RNA ("Fresh" mutant crystal soaked with GTP, UTP, CTP, and ddATP for
TITLE   3 30 minutes)
COMPND    MOL_ID: 2;
COMPND   2 MOLECULE: DNA-directed RNA polymerase subunit beta;
COMPND   3 CHAIN: CCC;
COMPND   4 EC: 2.7.7.6;
COMPND   5 ENGINEERED: YES;
EXPDTA     X-RAY DIFFRACTION
REMARK   2 RESOLUTION.    5.40 ANGSTORMS
DBREF  6UU9 C    1  1342  UNP    P0A8V4   RPOB_ECO57       1   1342
SEQRES   1 CCC  106  VAL GLU LYS ASP LYS ARG ALA LEU GLU ILE GLU GLU MET
SEQRES   2 CCC  106  GLN LEU LYS GLN ALA LYS LYS ASP LEU SER GLU GLU LEU
SEQRES   3 CCC  106  GLN ILE LEU GLU ALA GLY LEU PHE SER ARG ILE ARG ALA
SEQRES   4 CCC  106  VAL LEU VAL ALA GLY GLY VAL GLU ALA GLU LYS LEU ASP
SEQRES   5 CCC  106  LYS LEU PRO ARG ASP ARG TRP LEU GLU LEU GLY LEU THR
SEQRES   6 CCC  106  ASP GLU GLU LYS GLN ASN GLN LEU GLU GLN LEU ALA GLU
SEQRES   7 CCC  106  GLN TYR ASP GLU LEU LYS HIS GLU PHE GLU LYS LYS LEU
SEQRES   8 CCC  106  GLU ALA LYS ARG ARG LYS ILE THR GLN GLY ASP ASP LEU
SEQRES   9 CCC  106  ALA PRO