Research workbench
Yeast 20S proteasome with human BETA2C (S171G) in complex with 18
Analyse Yeast 20S proteasome with human BETA2C (S171G) in complex with 18 in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.
- PDB
- 6HUC
- Type
- protein
- Length
- 6,292 residues
- Chains
- 28
- Method
- x-ray diffraction
- Collection
- MolNFT v1 / PDB
- Contract
- 0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
- Owner
- 0x3396CDB397284571d12822B4ae1189a8E22AAAAA
- 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, Q99436, P25451, P22141, P30656, P23724, P30657, P38624
- Ligands
- GRT, MG, CL, SO4
- Pockets
- 20 · best druggability 0.81
Structure
x-ray diffraction · 14 distinct chains · 35% helix, 29% strand (DSSP).
| Chain | Molecule | Type | Residues | Secondary structure | UniProt |
|---|---|---|---|---|---|
| A, O | Proteasome subunit alpha type-2 (EC 3.4.25.1) | protein | 240 | 35% helix, 25% strand | P23639 |
| B, P | Proteasome subunit alpha type-3 (EC 3.4.25.1) | protein | 244 | 38% helix, 25% strand | P23638 |
| C, Q | Proteasome subunit alpha type-4 (EC 3.4.25.1) | protein | 240 | 39% helix, 24% strand | P40303 |
| D, R | Proteasome subunit alpha type-5 (EC 3.4.25.1) | protein | 235 | 37% helix, 28% strand | P32379 |
| E, S | Proteasome subunit alpha type-6 (EC 3.4.25.1) | protein | 231 | 37% helix, 28% strand | P40302 |
| F, T | Probable proteasome subunit alpha type-7 (EC 3.4.25.1) | protein | 243 | 40% helix, 25% strand | P21242 |
| G, U | Proteasome subunit alpha type-1 (EC 3.4.25.1) | protein | 241 | 40% helix, 23% strand | P21243 |
| H, V | Proteasome subunit beta type-7 (EC 3.4.25.1) | protein | 219 | 30% helix, 35% strand | Q99436 |
| I, W | Proteasome subunit beta type-3 (EC 3.4.25.1) | protein | 204 | 32% helix, 33% strand | P25451 |
| J, X | Proteasome subunit beta type-4 (EC 3.4.25.1) | protein | 195 | 34% helix, 35% strand | P22141 |
| K, Y | Proteasome subunit beta type-5 (EC 3.4.25.1) | protein | 212 | 35% helix, 35% strand | P30656 |
| L, Z | Proteasome subunit beta type-6 (EC 3.4.25.1) | protein | 222 | 29% helix, 32% strand | P23724 |
| M, a | Proteasome subunit beta type-7 (EC 3.4.25.1) | protein | 224 | 31% helix, 32% strand | P30657 |
| N, b | Proteasome subunit beta type-1 (EC 3.4.25.1) | protein | 196 | 38% helix, 34% strand | P38624 |
Ligands and binding sites
- GRT · (2~{S})-~{N}-[2-[[(2~{S})-1-[4-(aminomethyl)phenyl]-4-methylsulfonyl-butan-2-yl]amino]-2-oxidanylidene-ethyl]-2-[[(2~{S})-2-azido-3-phenyl-propanoyl]amino]-4-methyl-pentanamide · ligand · 4 copies · chains H, I, Z, K, L, V, W, Y
- MG · Magnesium ion · metal · 8 copies · chains G, I, Y, K, W, N, a, L, V, H, Z
- CL · Chloride ion · ion · 2 copies · chains G, U
- SO4 · Sulfate ion · ion · 2 copies · chains N, b
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 | 1106 | 0.81 | 0.82 | 113 | empty |
| 2 | 985 | 0.81 | 0.82 | 115 | empty |
| 3 | 680 | 0.78 | 0.83 | 84 | empty |
| 4 | 968 | 0.78 | 0.80 | 97 | empty |
| 5 | 1036 | 0.78 | 0.80 | 86 | empty |
Interfaces
88 interfaces between chains.
- H–I · 1690 Ų buried · 34 hydrogen bonds · protein-protein
- V–W · 1680 Ų buried · 32 hydrogen bonds · protein-protein
- B–C · 1600 Ų buried · 24 hydrogen bonds · protein-protein
- P–Q · 1562 Ų buried · 23 hydrogen bonds · protein-protein
- O–P · 1470 Ų buried · 16 hydrogen bonds · protein-protein
Modifications
Observed in the structure: 4 covalent (covalent ligand).
Compared structures
- 6HUC · Yeast 20S proteasome with human beta2c (S171G) in complex with 18 · the same entry in another collection · chain B against B, TM-score 1.00
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 Q99436
- 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 6HUC · PDBe 6HUC · UniProt P23639 · UniProt P23638 · UniProt P40303 · UniProt P32379 · UniProt P40302 · UniProt P21242 · UniProt P21243 · UniProt Q99436 · UniProt P25451 · UniProt P22141 · UniProt P30656 · UniProt P23724 · UniProt P30657 · UniProt P38624
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