3MUY
E. coli (lacZ) beta-galactosidase (R599A)
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B, C, D (1, 2, 3, 4) | Beta-D-galactosidase | polymer | 1023 | 116420.2 | 4 | UniProt (C6UB28) Pfam (PF02837) Pfam (PF00703) Pfam (PF02836) Pfam (PF16353) Pfam (PF02929) UniProt (by SIFTS) (P00722) | Escherichia coli | |
| 2 | AB, AC, AE, AF, BB... (2, 3, 4, 1) | DIMETHYL SULFOXIDE | non-polymer | 78.1 | 130 | Chemie (DMS) | |||
| 3 | AA, HB, IB, NE, OE... (1, 2, 4, 3) | MAGNESIUM ION | non-polymer | 24.3 | 10 | Chemie (MG) | |||
| 4 | AD, BA, BD, CA, DA... (3, 1, 2, 4) | SODIUM ION | non-polymer | 23.0 | 16 | Chemie (NA) | |||
| 5 | EF, FF, GF, HF (1, 2, 3, 4) | water | water | 18.0 | 3338 | Chemie (HOH) |
Sequence modifications
1, 2, 3, 4: 9 - 1023 (UniProt: C6UB28)
| PDB | External Database | Details |
|---|---|---|
| Gly 1 | - | expression tag |
| Ser 2 | - | expression tag |
| His 3 | - | expression tag |
| Met 4 | - | expression tag |
| Leu 5 | - | expression tag |
| Glu 6 | - | expression tag |
| Asp 7 | - | expression tag |
| Pro 8 | - | expression tag |
| Ala 599 | Arg 600 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 465680.6 | |
| Non-Polymers* | Number of molecules | 156 |
| Total formula weight | 10768.2 | |
| All* | Total formula weight | 476448.8 |






