HEADER    HYDROLASE                               31-DEC-69   7BRS
TITLE     E.coli beta-galactosidase (E537Q) in complex with fluorescent probe
TITLE   2 KSA02
COMPND    MOL_ID: 1;
COMPND   2 MOLECULE: Beta-galactosidase;
COMPND   3 CHAIN: A, B, C, D;
COMPND   4 MUTATION: YES;
COMPND   5 EC: 3.2.1.23;
COMPND   6 ENGINEERED: YES;
EXPDTA     X-RAY DIFFRACTION
REMARK   2 RESOLUTION.    2.67 ANGSTORMS
DBREF  7BRS C    0  1023  UNP    P00722   BGAL_ECOLI       1   1024
SEQRES   1 C  216  THR ASP SER LEU ALA VAL VAL LEU GLN ARG ARG ASP TRP
SEQRES   2 C  216  GLU ASN PRO GLY VAL THR GLN LEU ASN ARG LEU ALA ALA
SEQRES   3 C  216  HIS PRO PRO PHE ALA SER TRP ARG ASN SER GLU GLU ALA
SEQRES   4 C  216  ARG THR ASP ARG PRO SER GLN GLN LEU ARG SER LEU ASN
SEQRES   5 C  216  GLY GLU TRP ARG PHE ALA TRP PHE PRO ALA PRO GLU ALA
SEQRES   6 C  216  VAL PRO GLU SER TRP LEU GLU CYS ASP LEU PRO GLU ALA
SEQRES   7 C  216  ASP THR VAL VAL VAL PRO SER ASN TRP GLN MET HIS GLY
SEQRES   8 C  216  TYR ASP ALA PRO ILE TYR THR ASN VAL THR TYR PRO ILE
SEQRES   9 C  216  THR VAL ASN PRO PRO PHE VAL PRO THR GLU ASN PRO THR
SEQRES  10 C  216  GLY CYS TYR SER LEU THR PHE ASN VAL ASP GLU SER TRP
SEQRES  11 C  216  LEU GLN GLU GLY GLN THR ARG ILE ILE PHE ASP GLY VAL
SEQRES  12 C  216  ASN SER ALA PHE HIS LEU TRP CYS ASN GLY ARG TRP VAL
SEQRES  13 C  216  GLY TYR GLY GLN ASP SER ARG LEU PRO SER GLU PHE ASP
SEQRES  14 C  216  LEU SER ALA PHE LEU ARG ALA GLY GLU ASN ARG LEU ALA
SEQRES  15 C  216  VAL MET VAL LEU ARG TRP SER ASP GLY SER TYR LEU GLU
SEQRES  16 C  216  ASP GLN ASP MET TRP ARG MET SER GLY ILE PHE ARG ASP
SEQRES  17 C  216  VAL SER LEU LEU HIS LYS PRO THR