4HUG
Structure of 5-chlorouracil modified A:U base pairs
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, B (A, B) | Ribonuclease H | polymer | 134 | 15429.4 | 2 | UniProt (Q9KEI9) | Bacillus halodurans | RNase H |
| 2 | C, D, E, F (C, D, E, F) | DNA (5'-D(*CP*GP*CP*GP*AP*AP*(UCL)P*(UCL)P*CP*GP*CP*G)-3') | polymer | 12 | 3704.2 | 4 | |||
| 3 | G, K (A, E) | MAGNESIUM ION | non-polymer | 24.3 | 2 | Chemie (MG) | |||
| 4 | H, I (B, D) | GLYCEROL | non-polymer | 92.1 | 2 | Chemie (GOL) | |||
| 5 | J, L (E, F) | 1,2-ETHANEDIOL | non-polymer | 62.1 | 2 | Chemie (EDO) | |||
| 6 | M, N, O, P, Q... (A, B, C, D, E...) | water | water | 18.0 | 428 | Chemie (HOH) |
Sequence modifications
A, B: 61 - 194 (UniProt: Q9KEI9)
| PDB | External Database | Details |
|---|---|---|
| Asn 132 | Asp 132 | engineered mutation |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 6 |
| Total formula weight | 45675.7 | |
| Non-Polymers* | Number of molecules | 6 |
| Total formula weight | 356.9 | |
| All* | Total formula weight | 46032.6 |






