7Z4L
SpCas9 bound to 18-nucleotide complementary DNA substrate in the checkpoint state
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A | sgRNA | polymer | 102 | 33005.6 | 1 | synthetic construct | ||
| 2 | B | CRISPR-associated endonuclease Cas9/Csn1 | polymer | 1368 | 158699.8 | 1 | UniProt (Q99ZW2) Pfam (PF16593) Pfam (PF16592) Pfam (PF13395) Pfam (PF16595) In PDB | Streptococcus pyogenes | SpCas9,SpyCas9 |
| 3 | C | Target strand of 18-nucleotide complementary DNA substrate | polymer | 38 | 11643.5 | 1 | synthetic construct | ||
| 4 | D | Non-target strand of 18-nucleotide complementary DNA substrate | polymer | 38 | 11734.5 | 1 | synthetic construct | ||
| 5 | A | MAGNESIUM ION | non-polymer | 24.3 | 1 | Chemie (MG) | |||
| 6 | A | POTASSIUM ION | non-polymer | 39.1 | 2 | Chemie (K) | |||
| 7 | water | water | 18.0 | 6 | Chemie (HOH) |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 4 |
| Total formula weight | 215083.5 | |
| Non-Polymers* | Number of molecules | 3 |
| Total formula weight | 102.5 | |
| All* | Total formula weight | 215186.0 |
