MolNFT v2 · #218961 · protein
Yeast 20S proteasome in complex with a macrocyclic oxindole epoxyketone (compound 5)
8RHJ · Proteasome subunit alpha type-2: “Yeast 20S proteasome in complex with a macrocyclic oxindole epoxyketone (compound 5)”. X-ray diffraction at 3.05, 2 ligands (MG, CL), 20 pockets (best druggability 0.84). MolNFT v2 #218961 on…
- PDB
- 8RHJ
- Type
- protein
- Length
- 6,360 residues
- Chains
- 34
- Method
- x-ray diffraction
- Collection
- MolNFT v2 / PDB Bank
- Contract
- 0xd58B01f6C18086e5202cdC5D7Ad3E41790360102
- Owner
- 0xF4e1AA6f26B7DA48EeAD9B24a97927303eeA07b8
- Resolution
- 3.05
- Source
- Saccharomyces cerevisiae; SYNTHETIC CONSTRUCT
- Molecule
- Proteasome subunit alpha type-2; Proteasome subunit alpha type-3; Proteasome subunit…
- EC
- 3.4.25.1
- UniProt
- P23639, P23638, P40303, P32379, P40302, P21242, P21243, P25043, P25451, P22141, P30656, P23724, P30657, P38624
- Ligands
- MG, CL
- Pockets
- 20 · best druggability 0.84
Structure
x-ray diffraction · resolution 3.05 · 15 distinct chains · 35% helix, 29% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A, O | Proteasome subunit alpha type-2 | protein | 250 | 35% helix, 26% strand | P23639 |
| B, P | Proteasome subunit alpha type-3 | protein | 244 | 37% helix, 25% strand | P23638 |
| C, Q | Proteasome subunit alpha type-4 | protein | 240 | 36% helix, 22% strand | P40303 |
| D, R | Proteasome subunit alpha type-5 | protein | 235 | 39% helix, 27% strand | P32379 |
| E, S | Proteasome subunit alpha type-6 | protein | 231 | 37% helix, 28% strand | P40302 |
| F, T | Probable proteasome subunit alpha type-7 | protein | 243 | 40% helix, 26% strand | P21242 |
| G, U | Proteasome subunit alpha type-1 | protein | 241 | 42% helix, 23% strand | P21243 |
| H, V | Proteasome subunit beta type-2 (EC 3.4.25.1) | protein | 222 | 29% helix, 36% strand | P25043 |
| I, W | Proteasome subunit beta type-3 | protein | 204 | 32% helix, 34% strand | P25451 |
| J, X | Proteasome subunit beta type-4 | protein | 195 | 35% helix, 34% strand | P22141 |
| K, Y | Proteasome subunit beta type-5 (EC 3.4.25.1) | protein | 212 | 36% helix, 34% strand | P30656 |
| L, Z | Proteasome subunit beta type-6 | protein | 222 | 28% helix, 32% strand | P23724 |
| M, a | Proteasome subunit beta type-7 | protein | 233 | 31% helix, 31% strand | P30657 |
| N, b | Proteasome subunit beta type-1 (EC 3.4.25.1) | protein | 196 | 36% helix, 35% strand | P38624 |
| g, e, i, f, h, j | Macrocyclic oxindole epoxyketone | protein | 4 | 0% helix, 25% strand | — |
Ligands and binding sites
- MG · Magnesium ion · metal · 8 copies · chains G, I, K, W, N, a, L, V, X, Y, H, Z
- CL · Chloride ion · ion · 2 copies · chains G, H, U, V
Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.
Pockets
20 pockets found on a 1 Å grid, 20 with a druggability of 0.5 or more.
| Volume (ų) | Druggability | Buriedness | Lining residues | Inside | |
|---|---|---|---|---|---|
| 1 | 1006 | 0.84 | 0.84 | 141 | empty |
| 2 | 773 | 0.80 | 0.84 | 113 | empty |
| 3 | 888 | 0.79 | 0.82 | 82 | empty |
| 4 | 1005 | 0.79 | 0.80 | 96 | empty |
| 5 | 827 | 0.78 | 0.82 | 108 | empty |
Interfaces
106 interfaces between chains.
- H–I · 1749 Ų buried · 28 hydrogen bonds · protein-protein
- V–W · 1734 Ų buried · 31 hydrogen bonds · protein-protein
- B–C · 1585 Ų buried · 25 hydrogen bonds · protein-protein
- P–Q · 1526 Ų buried · 20 hydrogen bonds · protein-protein
- L–V · 1480 Ų buried · 23 hydrogen bonds · protein-protein
Modifications
Observed in the structure: 18 modified (nonstandard).
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 P23639
- Every structure of UniProt P23638
- Every structure of UniProt P40303
- Every structure of UniProt P32379
- Every structure of UniProt P40302
- Every structure of UniProt P21242
- Every structure of UniProt P21243
- Every structure of UniProt P25043
- Every structure of UniProt P25451
- Every structure of UniProt P22141
- Every structure of UniProt P30656
- Every structure of UniProt P23724
- Every structure of UniProt P30657
- Every structure of UniProt P38624
- Elsewhere: RCSB PDB 8RHJ · PDBe 8RHJ · UniProt P23639 · UniProt P23638 · UniProt P40303 · UniProt P32379 · UniProt P40302 · UniProt P21242 · UniProt P21243 · UniProt P25043 · UniProt P25451 · UniProt P22141 · UniProt P30656 · UniProt P23724 · UniProt P30657 · UniProt P38624
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