MolNFT v1 · #158878 · protein + RNA
Crystal structure of CSM1-CSM4 cassette in complex with CA4
6O7B · CRISPR system single-strand-specific deoxyribonuclease…: “Crystal structure of CSM1-CSM4 cassette in complex with CA4”. X-ray diffraction, 19 pockets (best druggability 0.83). MolNFT v1 #158878 on GenesisL1: 3D structure, binding…
- PDB
- 6O7B
- Type
- protein + RNA
- Length
- 965 residues
- Chains
- 4
- Method
- x-ray diffraction
- Collection
- MolNFT v1 / PDB
- Contract
- 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
- Owner
- 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
- Molecule
- CRISPR system single-strand-specific deoxyribonuclease CAS10/CSM1 (subtype III-a); CSM4…
- EC
- 3.1.-.-, 2.7.7.-
- UniProt
- B6YWB8, B6YWC1
- Pockets
- 19 · best druggability 0.83
Structure
x-ray diffraction · 3 distinct chains · 41% helix, 19% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A | CRISPR system single-strand-specific deoxyribonuclease CAS10/CSM1 (subtype III-a) (EC 3.1.-.-, 2.7.7.-) | protein | 703 | 47% helix, 14% strand | B6YWB8 |
| B | CSM4 | protein | 254 | 25% helix, 33% strand | B6YWC1 |
| C, D | Cyclic RNA CA4 | rna | 4 | — | — |
Pockets
19 pockets found on a 1 Å grid, 5 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 179 | 0.83 | 0.97 | 36 | empty |
| 2 | 776 | 0.82 | 0.85 | 67 | empty |
| 3 | 180 | 0.62 | 0.83 | 30 | empty |
| 4 | 170 | 0.59 | 0.82 | 21 | empty |
| 5 | 184 | 0.51 | 0.77 | 25 | empty |
Interfaces
5 interfaces between chains.
- A–B · 1279 Ų buried · 8 hydrogen bonds · protein-protein
- A–D · 819 Ų buried · 13 hydrogen bonds · protein-nucleic
- A–C · 505 Ų buried · 13 hydrogen bonds · protein-nucleic
- B–C · 159 Ų buried · 1 hydrogen bond · protein-nucleic
- B–D · 143 Ų buried · 2 hydrogen bonds · protein-nucleic
Modifications
Observed in the structure: 1 disulfide (disulfide).
Compared structures
- 6O7B · Crystal structure of Csm1-Csm4 cassette in complex with cA4 · the same entry in another collection · chain A against A, TM-score 1.00
- B6YWB8 · AlphaFold monomer V2.0 prediction for CRISPR system single-strand- specific… · a predicted model of the same protein · chain A against A, TM-score 0.99
- B6YWC1 · AlphaFold monomer V2.0 prediction for CRISPR system cms protein CSM4 (B6YWC1) · a predicted model of the same protein · chain B against A, TM-score 0.98
Analyse
- Open in the research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides and crosslinks on the 3D structure
- Every structure of UniProt B6YWB8
- Every structure of UniProt B6YWC1
- Elsewhere: RCSB PDB 6O7B · PDBe 6O7B · UniProt B6YWB8 · UniProt B6YWC1
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