1SVU
Structure of the Q237W mutant of HhaI DNA methyltransferase: an insight into protein-protein interactions
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B | Modification methylase HhaI | polymer | 327 | 37100.3 | 2 | UniProt (P05102) Pfam (PF00145) In PDB | Haemophilus haemolyticus | Cytosine-specific methyltransferase HhaI, M.HhaI |
| 2 | A | SULFATE ION | non-polymer | 96.1 | 2 | Chemie (SO4) | |||
| 3 | A, B | S-ADENOSYL-L-HOMOCYSTEINE | non-polymer | 384.4 | 2 | Chemie (SAH) | |||
| 4 | A, B | UNKNOWN ATOM OR ION | non-polymer | 17 | Chemie (UNX) | ||||
| 5 | water | water | 18.0 | 25 | Chemie (HOH) |
Sequence modifications
A, B: 1 - 327 (UniProt: P05102)
| PDB | External Database | Details |
|---|---|---|
| Trp 237 | Gln 237 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 74200.6 | |
| Non-Polymers* | Number of molecules | 21 |
| Total formula weight | 960.9 | |
| All* | Total formula weight | 75161.5 |
