3SM3
Crystal Structure of SAM-dependent methyltransferases Q8PUK2_METMA from Methanosarcina mazei. Northeast Structural Genomics Consortium Target MaR262.
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | SAM-dependent methyltransferases | polymer | 235 | 26971.6 | 1 | UniProt (Q8PUK2) Pfam (PF08241) | Methanosarcina mazei | |
| 2 | B, C (A) | CALCIUM ION | non-polymer | 40.1 | 2 | Chemie (CA) | |||
| 3 | D (A) | DI(HYDROXYETHYL)ETHER | non-polymer | 106.1 | 1 | Chemie (PEG) | |||
| 4 | E (A) | water | water | 18.0 | 94 | Chemie (HOH) |
Sequence modifications
A: 1 - 227 (UniProt: Q8PUK2)
| PDB | External Database | Details |
|---|---|---|
| Lys 51 | Leu 51 | engineered mutation |
| Leu 228 | - | expression tag |
| Glu 229 | - | expression tag |
| His 230 | - | expression tag |
| His 231 | - | expression tag |
| His 232 | - | expression tag |
| His 233 | - | expression tag |
| His 234 | - | expression tag |
| His 235 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 26971.6 | |
| Non-Polymers* | Number of molecules | 3 |
| Total formula weight | 186.3 | |
| All* | Total formula weight | 27157.8 |






