HEADER    RIBOSOME,TRANSCRIPTION/TRANSLATION      31-DEC-69   6X7K
TITLE     Cryo-EM structure of an Escherichia coli coupled
TITLE   2 transcription-translation complex B3 (TTC-B3) containing an mRNA with
TITLE   3 a 24 nt long spacer, transcription factors NusA and NusG, and
TITLE   4 fMet-tRNAs at P-site and E-site
COMPND    MOL_ID: 14;
COMPND   2 MOLECULE: DNA-directed RNA polymerase subunit beta';
COMPND   3 CHAIN: AE;
COMPND   4 EC: 2.7.7.6;
COMPND   5 ENGINEERED: YES;
EXPDTA     ELECTRON MICROSCOPY
DBREF  6X7K A    1  1407  UNP    A0A4S1NB A0A4S1NBU2_      1   1407
SEQRES   1 AE  172  VAL GLY ILE ASP ASP MET VAL ILE PRO GLU LYS LYS HIS
SEQRES   2 AE  172  GLU ILE ILE SER GLU ALA GLU ALA GLU VAL ALA GLU ILE
SEQRES   3 AE  172  GLN GLU GLN PHE GLN SER GLY LEU VAL THR ALA GLY GLU
SEQRES   4 AE  172  ARG TYR ASN LYS VAL ILE ASP ILE TRP ALA ALA ALA ASN
SEQRES   5 AE  172  ASP ARG VAL SER LYS ALA MET MET ASP ASN LEU GLN THR
SEQRES   6 AE  172  GLU THR VAL ILE ASN ARG ASP GLY GLN GLU GLU LYS GLN
SEQRES   7 AE  172  VAL SER PHE ASN SER ILE TYR MET MET ALA ASP SER GLY
SEQRES   8 AE  172  ALA ARG GLY SER ALA ALA GLN ILE ARG GLN LEU ALA GLY
SEQRES   9 AE  172  MET ARG GLY LEU MET ALA LYS PRO ASP GLY SER ILE ILE
SEQRES  10 AE  172  GLU THR PRO ILE THR ALA ASN PHE ARG GLU GLY LEU ASN
SEQRES  11 AE  172  VAL LEU GLN TYR PHE ILE SER THR HIS GLY ALA ARG LYS
SEQRES  12 AE  172  GLY LEU ALA ASP THR ALA LEU LYS THR ALA ASN SER GLY
SEQRES  13 AE  172  TYR LEU THR ARG ARG LEU VAL ASP VAL ALA GLN ASP LEU
SEQRES  14 AE  172  VAL VAL THR