4FRG
Crystal structure of the cobalamin riboswitch aptamer domain
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B (B, X) | cobalamin riboswitch aptamer domain | polymer | 84 | 27135.2 | 2 | Marine metagenome | ||
| 2 | AA, BA, C, D, E... (X, B) | IRIDIUM (III) ION | non-polymer | 192.2 | 17 | Chemie (IR3) PubChem (168053) | |||
| 3 | CA, DA, EA, FA, GA... (X, B) | MAGNESIUM ION | non-polymer | 24.3 | 16 | Chemie (MG) PubChem (888) | |||
| 4 | LA, S (X, B) | COBALAMIN | non-polymer | 1330.4 | 2 | Chemie (B12) | |||
| 5 | MA, T (X, B) | HYDROXIDE ION | non-polymer | 17.0 | 2 | Chemie (OH) PubChem (961) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 2 |
| Total formula weight | 54270.5 | |
| Non-Polymers* | Number of molecules | 37 |
| Total formula weight | 6351.3 | |
| All* | Total formula weight | 60621.8 |
