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) PubChem (5136) PubChem (34755) PubChem (9865603) PubChem (12312798) PubChem (58766358) PubChem (87224684) PubChem (131697735) PubChem (145712080) PubChem (58633578) PubChem (60038769) PubChem (73897310) PubChem (132988922) PubChem (134692588) PubChem (135030730) PubChem (140459785) PubChem (163046094) | |||
| 3 | C (A) | GLYCEROL | non-polymer | 92.1 | 1 | Chemie (GOL) PubChem (753) | |||
| 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 |
