1NS2
Crystal structure of galactose mutarotase from Lactococcus lactis mutant E304A complexed with galactose
Entity
Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
1 | A, B | GALACTOSE MUTAROTASE | polymer | 347 | 38564.9 | 2 | UniProt (Q9ZB17) Pfam (PF01263) In PDB | Lactococcus lactis | ALDOSE 1-EPIMERASE |
2 | A, B | beta-D-galactopyranose | non-polymer | 180.2 | 2 | Chemie (GAL) | |||
3 | A | NICKEL (II) ION | non-polymer | 58.7 | 1 | Chemie (NI) | |||
4 | water | water | 18.0 | 402 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 339 (UniProt: Q9ZB17)
PDB | External Database | Details |
---|---|---|
Ser 2 | Glu 2 | cloning artifact |
Ala 304 | Glu 304 | engineered mutation |
Leu 340 | - | expression tag |
Glu 341 | - | expression tag |
His 342 | - | expression tag |
His 343 | - | expression tag |
His 344 | - | expression tag |
His 345 | - | expression tag |
His 346 | - | expression tag |
His 347 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 2 |
Total formula weight | 77129.8 | |
Non-Polymers* | Number of molecules | 3 |
Total formula weight | 419.0 | |
All* | Total formula weight | 77548.8 |