HEADER HYDROLASE 31-DEC-69 6S6Z TITLE Structure of beta-Galactosidase from Thermotoga maritima COMPND MOL_ID: 1; COMPND 2 MOLECULE: Beta-galactosidase; COMPND 3 CHAIN: A, D, B, H, F, G, E, C; COMPND 4 EC: 3.2.1.23; COMPND 5 ENGINEERED: YES; EXPDTA ELECTRON MICROSCOPY DBREF 6S6Z D 2 1084 UNP Q56307 BGAL_THEMA 2 1084 SEQRES 1 D 103 PHE HIS ILE ARG ASP VAL PHE VAL ARG THR ASP LEU ASP SEQRES 2 D 103 GLU ASN TYR ARG ASN GLY LYS ILE PHE LEU ASP VAL GLU SEQRES 3 D 103 MET ARG ASN LEU GLY GLU GLU GLU GLU LYS ASP LEU GLU SEQRES 4 D 103 VAL THR LEU ILE THR PRO ASP GLY ASP GLU LYS THR LEU SEQRES 5 D 103 VAL LYS GLU THR VAL LYS PRO GLU ASP ARG VAL LEU SER SEQRES 6 D 103 PHE ALA PHE ASP VAL LYS ASP PRO LYS LYS TRP SER ALA SEQRES 7 D 103 GLU THR PRO HIS LEU TYR VAL LEU LYS LEU LYS LEU GLY SEQRES 8 D 103 GLU ASP GLU LYS LYS VAL ASN PHE GLY PHE ARG LYS