4LX5
X-ray crystal structure of the M6" riboswitch aptamer bound to pyrimido[4,5-d]pyrimidine-2,4-diamine (PPDA)
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A | Mutated adenine riboswitch aptamer | polymer | 71 | 22685.4 | 1 | GenBank (AE016796) | Vibrio vulnificus | |
| 2 | A | pyrimido[4,5-d]pyrimidine-2,4-diamine | non-polymer | 162.2 | 1 | Chemie (29G) | |||
| 3 | A | MAGNESIUM ION | non-polymer | 24.3 | 4 | Chemie (MG) | |||
| 4 | water | water | 18.0 | 17 | 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 83 | - | SEE REMARK 999 |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 1 |
| Total formula weight | 22685.4 | |
| Non-Polymers* | Number of molecules | 5 |
| Total formula weight | 259.4 | |
| All* | Total formula weight | 22944.8 |
