6MUU
Cryo-EM structure of Csm-crRNA binary complex in type III-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 | Uncharacterized protein Csm1 | polymer | 791 | 89750.6 | 1 | UniProt (B6YWB8) Pfam (PF01966) Pfam (PF18211) Pfam (PF22335) In PDB | Thermococcus onnurineus | |
2 | B | Uncharacterized protein Csm2 | polymer | 187 | 21210.3 | 1 | UniProt (B6YWB9) Pfam (PF03750) In PDB | Thermococcus onnurineus | |
3 | C, D | Uncharacterized protein Csm3 | polymer | 291 | 32809.0 | 2 | UniProt (B6YWC0) Pfam (PF03787) In PDB | Thermococcus onnurineus | |
4 | E | Uncharacterized protein Csm4 | polymer | 289 | 32345.1 | 1 | UniProt (B6YWC1) In PDB | Thermococcus onnurineus | |
5 | F | Uncharacterized protein Csm5 | polymer | 403 | 46091.0 | 1 | UniProt (B6YWC2) Pfam (PF03787) In PDB | Thermococcus onnurineus | |
6 | G | RNA (25-MER) | polymer | 38 | 12463.4 | 1 | Thermococcus onnurineus | ||
7 | A, C, D | ZINC ION | non-polymer | 65.4 | 3 | Chemie (ZN) |
Sequence modifications
A: 1 - 777 (UniProt: B6YWB8)
B: 1 - 186 (UniProt: B6YWB9)
C, D: 1 - 290 (UniProt: B6YWC0)
F: 1 - 397 (UniProt: B6YWC2)
PDB | External Database | Details |
---|---|---|
Met -13 | - | initiating methionine |
Gly -12 | - | expression tag |
Ser -11 | - | expression tag |
Ser -10 | - | expression tag |
His -9 | - | expression tag |
His -8 | - | expression tag |
His -7 | - | expression tag |
His -6 | - | expression tag |
His -5 | - | expression tag |
His -4 | - | expression tag |
Ser -3 | - | expression tag |
Gln -2 | - | expression tag |
Asp -1 | - | expression tag |
Pro 0 | - | expression tag |
PDB | External Database | Details |
---|---|---|
Ser 0 | - | expression tag |
PDB | External Database | Details |
---|---|---|
Ser 0 | - | expression tag |
PDB | External Database | Details |
---|---|---|
His 398 | - | expression tag |
His 399 | - | expression tag |
His 400 | - | expression tag |
His 401 | - | expression tag |
His 402 | - | expression tag |
His 403 | - | expression tag |
Sequence viewer
Contents of the asymmetric unit
Polymers | Number of chains | 7 |
Total formula weight | 267478.4 | |
Non-Polymers* | Number of molecules | 3 |
Total formula weight | 196.2 | |
All* | Total formula weight | 267674.7 |