COMPND    MOL_ID: 1;
COMPND   2 MOLECULE: Beta-lactamase;
COMPND   3 CHAIN: A, B, C, D;
COMPND   4 MUTATION: YES;
COMPND   5 EC: 3.5.2.6;
COMPND   6 ENGINEERED: YES;
EXPDTA     X-RAY DIFFRACTION
REMARK   2 RESOLUTION.    1.91 ANGSTORMS
DBREF  7ASS A    1   265  UNP    Q6XEC0   Q6XEC0_KLEP      1    265
MODRES 7ASS KCX A   73  LYS  modified residue
SEQRES   1 A  101  ASN GLN ALA PHE PHE PRO ALA SER THR PHE LYS ILE PRO
SEQRES   2 A  101  ASN SER LEU ILE ALA LEU ASP LEU GLY VAL VAL LYS ASP
SEQRES   3 A  101  GLU HIS GLN VAL PHE LYS TRP ASP GLY GLN THR ARG ASP
SEQRES   4 A  101  ILE ALA THR TRP ASN ARG ASP HIS ASN LEU ILE THR ALA
SEQRES   5 A  101  MET LYS TYR SER VAL VAL PRO VAL TYR GLN GLU PHE ALA
SEQRES   6 A  101  ARG GLN ILE GLY GLU ALA ARG MET SER LYS MET LEU HIS
SEQRES   7 A  101  ALA PHE ASP TYR GLY ASN GLU ASP ILE SER GLY ASN VAL
SEQRES   8 A  101  ASP SER PHE TRP LEU ASP GLY GLY ILE ARG