6MR9
E. coli DHFR complex with a reaction intermediate
Entity
Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
1 | A (A) | Dihydrofolate reductase | polymer | 165 | 18848.2 | 1 | UniProt (P0ABQ4) Pfam (PF00186) | Escherichia coli | |
2 | B, C, D (A) | CHLORIDE ION | non-polymer | 35.5 | 3 | Chemie (CL) | |||
3 | E, F, G, H (A) | MAGNESIUM ION | non-polymer | 24.3 | 4 | Chemie (MG) | |||
4 | I (A) | (6S)-5,6,7,8-TETRAHYDROFOLATE | non-polymer | 445.4 | 1 | Chemie (THG) | |||
5 | J (A) | water | water | 18.0 | 200 | Chemie (HOH) |
Sequence modifications
A: 1 - 159 (UniProt: P0ABQ4)
PDB | External Database | Details |
---|---|---|
His 160 | - | expression tag |
His 161 | - | expression tag |
His 162 | - | expression tag |
His 163 | - | expression tag |
His 164 | - | expression tag |
His 165 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 1 |
Total formula weight | 18848.2 | |
Non-Polymers* | Number of molecules | 8 |
Total formula weight | 649.0 | |
All* | Total formula weight | 19497.2 |