COMPND    MOL_ID: 1;
COMPND   2 MOLECULE: Beta-galactosidase;
COMPND   3 CHAIN: A, B, C, D;
COMPND   4 EC: 3.2.1.23;
COMPND   5 ENGINEERED: YES;
EXPDTA     ELECTRON MICROSCOPY
DBREF  6TSK A    9  1023  UNP    Q8VNN2   BGAL_ECOLX      15   1029
SEQRES   1 A  293  PRO ALA ALA SER HIS ALA ILE PRO HIS LEU THR THR SER
SEQRES   2 A  293  GLU MET ASP PHE CYS ILE GLU LEU GLY ASN LYS ARG TRP
SEQRES   3 A  293  GLN PHE ASN ARG GLN SER GLY PHE LEU SER GLN MET TRP
SEQRES   4 A  293  ILE GLY ASP LYS LYS GLN LEU LEU THR PRO LEU ARG ASP
SEQRES   5 A  293  GLN PHE THR ARG ALA PRO LEU ASP ASN ASP ILE GLY VAL
SEQRES   6 A  293  SER GLU ALA THR ARG ILE ASP PRO ASN ALA TRP VAL GLU
SEQRES   7 A  293  ARG TRP LYS ALA ALA GLY HIS TYR GLN ALA GLU ALA ALA
SEQRES   8 A  293  LEU LEU GLN CYS THR ALA ASP THR LEU ALA ASP ALA VAL
SEQRES   9 A  293  LEU ILE THR THR ALA HIS ALA TRP GLN HIS GLN GLY LYS
SEQRES  10 A  293  THR LEU PHE ILE SER ARG LYS THR TYR ARG ILE ASP GLY
SEQRES  11 A  293  SER GLY GLN MET ALA ILE THR VAL ASP VAL GLU VAL ALA
SEQRES  12 A  293  SER ASP THR PRO HIS PRO ALA ARG ILE GLY LEU ASN CYS
SEQRES  13 A  293  GLN LEU ALA GLN VAL ALA GLU ARG VAL ASN TRP LEU GLY
SEQRES  14 A  293  LEU GLY PRO GLN GLU ASN TYR PRO ASP ARG LEU THR ALA
SEQRES  15 A  293  ALA CYS PHE ASP ARG TRP ASP LEU PRO LEU SER ASP MET
SEQRES  16 A  293  TYR THR PRO TYR VAL PHE PRO SER GLU ASN GLY LEU ARG
SEQRES  17 A  293  CYS GLY THR ARG GLU LEU ASN TYR GLY PRO HIS GLN TRP
SEQRES  18 A  293  ARG GLY ASP PHE GLN PHE ASN ILE SER ARG TYR SER GLN
SEQRES  19 A  293  GLN GLN LEU MET GLU THR SER HIS ARG HIS LEU LEU HIS
SEQRES  20 A  293  ALA GLU GLU GLY THR TRP LEU ASN ILE ASP GLY PHE HIS
SEQRES  21 A  293  MET GLY ILE GLY GLY ASP ASP SER TRP SER PRO SER VAL
SEQRES  22 A  293  SER ALA GLU PHE GLN LEU SER ALA GLY ARG TYR HIS TYR
SEQRES  23 A  293  GLN LEU VAL TRP CYS GLN LYS