4QDJ
Crystal structure of magnesium protoporphyrin IX methyltransferase (ChlM) from Synechocystis PCC 6803 with bound SAM
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Magnesium-protoporphyrin O-methyltransferase | polymer | 238 | 26179.8 | 1 | UniProt (Q55467) Pfam (PF07109) | Synechocystis sp. | Magnesium-protoporphyrin IX methyltransferase |
| 2 | B (A) | S-ADENOSYLMETHIONINE | non-polymer | 398.4 | 1 | Chemie (SAM) | |||
| 3 | C (A) | GLYCEROL | non-polymer | 92.1 | 1 | Chemie (GOL) | |||
| 4 | D (A) | water | water | 18.0 | 177 | Chemie (HOH) |
Sequence modifications
A: 1 - 230 (UniProt: Q55467)
| PDB | External Database | Details |
|---|---|---|
| Leu 231 | - | expression tag |
| Glu 232 | - | expression tag |
| His 233 | - | expression tag |
| His 234 | - | expression tag |
| His 235 | - | expression tag |
| His 236 | - | expression tag |
| His 237 | - | expression tag |
| His 238 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 26179.8 | |
| Non-Polymers* | Number of molecules | 2 |
| Total formula weight | 490.5 | |
| All* | Total formula weight | 26670.3 |
