7KRP
Structure of SARS-CoV-2 backtracked complex complex bound to nsp13 helicase - BTC (local refinement)
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | RNA-directed RNA polymerase | polymer | 932 | 106781.0 | 1 | UniProt (P0DTD1) Pfam (PF06478) Pfam (PF00680) | Severe acute respiratory syndrome coronavirus 2 (2019-nCoV) | Pol,RdRp,Non-structural protein 12,nsp12 |
| 2 | B, D (B, D) | Non-structural protein 8 | polymer | 199 | 22034.2 | 2 | UniProt (P0DTD1) Pfam (PF08717) | Severe acute respiratory syndrome coronavirus 2 (2019-nCoV) | nsp8 |
| 3 | C (C) | Non-structural protein 7 | polymer | 88 | 9748.4 | 1 | UniProt (P0DTD1) Pfam (PF08716) | Severe acute respiratory syndrome coronavirus 2 (2019-nCoV) | nsp7 |
| 4 | E (P) | RNA (37-MER) | polymer | 40 | 12667.6 | 1 | Severe acute respiratory syndrome coronavirus 2 | ||
| 5 | F (T) | RNA (36-MER) | polymer | 55 | 17573.4 | 1 | Severe acute respiratory syndrome coronavirus 2 | ||
| 6 | G, H (A) | ZINC ION | non-polymer | 65.4 | 2 | Chemie (ZN) | |||
| 7 | I (A) | MAGNESIUM ION | non-polymer | 24.3 | 1 | Chemie (MG) | |||
| 8 | J (A) | ADENOSINE-5'-DIPHOSPHATE | non-polymer | 427.2 | 1 | Chemie (ADP) | |||
| 9 | K, L, M (A, D) | CHAPSO | non-polymer | 631.9 | 3 | Chemie (1N7) |
Sequence modifications
B, D: 1 - 198 (UniProt: P0DTD1)
C: 1 - 83 (UniProt: P0DTD1)
| PDB | External Database | Details |
|---|---|---|
| Met 0 | - | initiating methionine |
| PDB | External Database | Details |
|---|---|---|
| Gly -4 | - | expression tag |
| Pro -3 | - | expression tag |
| Val -2 | - | expression tag |
| Asp -1 | - | expression tag |
| Met 0 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 6 |
| Total formula weight | 190838.8 | |
| Non-Polymers* | Number of molecules | 7 |
| Total formula weight | 2478.0 | |
| All* | Total formula weight | 193316.8 |
