4LX6
X-ray crystal structure of the M6C" riboswitch aptamer bound to 2-aminopyrimido[4,5-d]pyrimidin-4(3H)-one (PPAO)
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | Mutated adenine riboswitch aptamer | polymer | 71 | 22684.4 | 1 | GenBank (AE016796) | Vibrio vulnificus | |
| 2 | B (A) | 2-aminopyrimido[4,5-d]pyrimidin-4(3H)-one | non-polymer | 163.1 | 1 | Chemie (29H) | |||
| 3 | C, D, E, F, G (A) | MAGNESIUM ION | non-polymer | 24.3 | 5 | Chemie (MG) | |||
| 4 | H (A) | water | water | 18.0 | 22 | Chemie (HOH) |
Sequence modifications
A: 14 - 82 (GenBank: AE016796)
| PDB | External Database | Details |
|---|---|---|
| G 13 | - | SEE REMARK 999 |
| G 28 | U 504394 | engineered mutation |
| C 42 | G 504408 | engineered mutation |
| C 47 | U 504413 | engineered mutation |
| C 51 | U 504417 | engineered mutation |
| C 74 | U 504440 | engineered mutation |
| C 83 | - | SEE REMARK 999 |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 22684.4 | |
| Non-Polymers* | Number of molecules | 6 |
| Total formula weight | 284.7 | |
| All* | Total formula weight | 22969.1 |
