6QXT
Cas1-Cas2-Csn2-DNA dimer complex from the Type II-A CRISPR-Cas system
Entity
| Entity ID | Chain ID | Description | Type | Chain length | Formula weight | Number of molecules | DB Name (Accession) | Biological source | Descriptive keywords |
| 1 | A, AA, B, BA, C... (A, B, C, D, E...) | CRISPR-associated protein Csn2 | polymer | 219 | 25533.5 | 16 | UniProt (G3ECR4) Pfam (PF09711) | Streptococcus thermophilus | |
| 2 | I, IA, J, JA, L... (I, J, L, M, O...) | CRISPR-associated endonuclease Cas1 | polymer | 302 | 35363.5 | 24 | UniProt (G3ECR2) Pfam (PF01867) | Streptococcus thermophilus | |
| 3 | K, KA, N, NA, Q... (K, N, Q, T, W...) | CRISPR-associated endoribonuclease Cas2 | polymer | 114 | 13431.6 | 12 | UniProt (G3ECR3) Pfam (PF09827) | Streptococcus thermophilus | |
| 4 | AB (1) | DNA (64-MER) | polymer | 64 | 19423.4 | 1 | Escherichia coli BL21(DE3) | ||
| 5 | BB (2) | DNA (64-MER) | polymer | 64 | 20000.3 | 1 | Escherichia coli BL21(DE3) | ||
| 6 | CB, DB, EB, FB, GB... (A, B, E, F, a...) | CALCIUM ION | non-polymer | 40.1 | 16 | Chemie (CA) |
Sequence modifications
I, J, L, M, O, P, R, S, U, V, Y, Z, i, j, l, m, o, p, r, s, u, v, y, z: 1 - 289 (UniProt: G3ECR2)
| PDB | External Database | Details |
|---|---|---|
| Leu 290 | - | expression tag |
| Glu 291 | - | expression tag |
| Ser 292 | - | expression tag |
| Gly 293 | - | expression tag |
| Trp 294 | - | expression tag |
| Ser 295 | - | expression tag |
| His 296 | - | expression tag |
| Pro 297 | - | expression tag |
| Gln 298 | - | expression tag |
| Phe 299 | - | expression tag |
| Glu 300 | - | expression tag |
| Lys 301 | - | expression tag |
| Ala 302 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
| Polymers | Number of chains | 54 |
| Total formula weight | 1457861.0 | |
| Non-Polymers* | Number of molecules | 16 |
| Total formula weight | 641.2 | |
| All* | Total formula weight | 1458502.2 |
