COMPND    MOL_ID: 4;
COMPND   2 MOLECULE: DNA-directed RNA polymerase subunit beta';
COMPND   3 CHAIN: J;
COMPND   4 EC: 2.7.7.6;
COMPND   5 ENGINEERED: YES;
EXPDTA     ELECTRON MICROSCOPY
DBREF  6PSV J    2  1407  UNP    P0A8T7   RPOC_ECOLI       2   1407
SEQRES   1 J  172  VAL GLY ILE ASP ASP MET VAL ILE PRO GLU LYS LYS HIS
SEQRES   2 J  172  GLU ILE ILE SER GLU ALA GLU ALA GLU VAL ALA GLU ILE
SEQRES   3 J  172  GLN GLU GLN PHE GLN SER GLY LEU VAL THR ALA GLY GLU
SEQRES   4 J  172  ARG TYR ASN LYS VAL ILE ASP ILE TRP ALA ALA ALA ASN
SEQRES   5 J  172  ASP ARG VAL SER LYS ALA MET MET ASP ASN LEU GLN THR
SEQRES   6 J  172  GLU THR VAL ILE ASN ARG ASP GLY GLN GLU GLU LYS GLN
SEQRES   7 J  172  VAL SER PHE ASN SER ILE TYR MET MET ALA ASP SER GLY
SEQRES   8 J  172  ALA ARG GLY SER ALA ALA GLN ILE ARG GLN LEU ALA GLY
SEQRES   9 J  172  MET ARG GLY LEU MET ALA LYS PRO ASP GLY SER ILE ILE
SEQRES  10 J  172  GLU THR PRO ILE THR ALA ASN PHE ARG GLU GLY LEU ASN
SEQRES  11 J  172  VAL LEU GLN TYR PHE ILE SER THR HIS GLY ALA ARG LYS
SEQRES  12 J  172  GLY LEU ALA ASP THR ALA LEU LYS THR ALA ASN SER GLY
SEQRES  13 J  172  TYR LEU THR ARG ARG LEU VAL ASP VAL ALA GLN ASP LEU
SEQRES  14 J  172  VAL VAL THR