4QYZ
Crystal structure of a CRISPR RNA-guided surveillance complex, Cascade, bound to a ssDNA target
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A (A) | CRISPR system Cascade subunit CasA | polymer | 502 | 55965.0 | 1 | UniProt (Q46901) Pfam (PF09481) | Escherichia coli | CRISPR type I-E/Ecoli-associated protein CasA/Cse1, CRISPR-associated protein CasA/Cse1 |
| 2 | B, C (B, C) | CRISPR system Cascade subunit CasB | polymer | 160 | 18728.5 | 2 | UniProt (P76632) Pfam (PF09485) | Escherichia coli | |
| 3 | D, E, F, G, H... (D, E, F, G, H...) | CRISPR system Cascade subunit CasC | polymer | 363 | 40071.4 | 6 | UniProt (Q46899) Pfam (PF09344) | Escherichia coli | |
| 4 | J (J) | CRISPR system Cascade subunit CasD | polymer | 224 | 25239.8 | 1 | UniProt (Q46898) Pfam (PF09704) | Escherichia coli | |
| 5 | K (K) | CRISPR system Cascade subunit CasE | polymer | 199 | 22324.0 | 1 | UniProt (Q46897) Pfam (PF08798) | Escherichia coli | CasE endoRNase, crRNA endonuclease |
| 6 | L (L) | RNA (55-MER) | polymer | 61 | 19734.8 | 1 | Escherichia coli | ||
| 7 | M (M) | DNA (33-MER) | polymer | 40 | 12185.9 | 1 | Enterobacteria phage lambda | ||
| 8 | N (A) | ZINC ION | non-polymer | 65.4 | 1 | Chemie (ZN) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 13 |
| Total formula weight | 413334.8 | |
| Non-Polymers* | Number of molecules | 1 |
| Total formula weight | 65.4 | |
| All* | Total formula weight | 413400.3 |
