6Q56
Crystal structure of the B. subtilis M1A22 tRNA methyltransferase TrmK
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 (A, B, C, D) | tRNA (adenine(22)-N(1))-methyltransferase | polymer | 238 | 26165.8 | 4 | UniProt (P54471) Pfam (PF04816) | Bacillus subtilis (strain 168) | TrMet(m1A22),tRNA(m1A22)-methyltransferase,tRNA(m1A22)MTase |
| 2 | E, F, G, H (A, B, C, D) | NICKEL (II) ION | non-polymer | 58.7 | 4 | Chemie (NI) | |||
| 3 | I, J, K, L (A, B, C, D) | water | water | 18.0 | 303 | Chemie (HOH) |
Sequence modifications
A, B, C, D: 1 - 238 (UniProt: P54471)
| PDB | External Database | Details |
|---|---|---|
| Ser 35 | Cys 35 | engineered mutation |
| Ser 152 | Cys 152 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 104663.2 | |
| Non-Polymers* | Number of molecules | 4 |
| Total formula weight | 234.8 | |
| All* | Total formula weight | 104898.0 |
