MolNFT v1 · #125316 · protein
Yeast 20S proteasome with human BETA5I (1-138) and human BETA6 (97- 111; 118-133) in complex with epoxyketone inhibitor 9
5L5I · Proteasome subunit alpha type-2: “Yeast 20S proteasome with human BETA5I (1-138) and human BETA6 (97- 111; 118-133) in complex with epoxyketone…”. X-ray diffraction, 3 ligands (38X, MG, CL), 20 pockets (best druggability 0.83).…
- PDB
- 5L5I
- Type
- protein
- Length
- 6,342 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, P25043, P25451, P22141, P28062, P30656, P23724, P20618, P30657, P38624
- Ligands
- 38X, MG, CL
- Pockets
- 20 · best druggability 0.83
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 | 250 | 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 | 36% helix, 23% strand | P40303 |
| D, R | Proteasome subunit alpha type-5 (EC 3.4.25.1) | protein | 235 | 38% helix, 27% strand | P32379 |
| E, S | Proteasome subunit alpha type-6 (EC 3.4.25.1) | protein | 231 | 38% helix, 28% strand | P40302 |
| F, T | Probable proteasome subunit alpha type-7 (EC 3.4.25.1) | protein | 243 | 40% helix, 26% 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-2 (EC 3.4.25.1) | protein | 226 | 29% helix, 35% strand | P25043 |
| 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, 34% strand | P22141 |
| K, Y | Proteasome subunit beta type-8,PROTEASOME subunit beta type-5 (EC 3.4.25.1) | protein | 211 | 36% helix, 34% strand | P28062, P30656 |
| L, Z | Proteasome subunit beta type-6,PROTEASOME subunit beta type-1,PROTEASOME subunit beta type-6,PROTEASOME subunit beta type-1, proteasome subunit beta type-6 (EC 3.4.25.1) | protein | 222 | 28% helix, 33% strand | P23724, P20618 |
| M, a | Proteasome subunit beta type-7 (EC 3.4.25.1) | protein | 233 | 30% helix, 31% strand | P30657 |
| N, b | Proteasome subunit beta type-1 (EC 3.4.25.1) | protein | 196 | 36% helix, 34% strand | P38624 |
Ligands and binding sites
- 38X · N-[(3-methyl-1H-inden-2-yl)carbonyl]-D-alanyl-N-[(2S, 4R)-1-cyclohexyl-5-hydroxy-4-methyl-3-oxopentan-2-yl]-L-tryptophanamide · ligand · 2 copies · chains K, L, Y, Z
- MG · Magnesium ion · metal · 8 copies · chains G, I, Y, J, K, W, L, V, N, a, H, Z
- CL · Chloride ion · ion · 2 copies · chains G, H, U, V
- MES · 2-(N-morpholino)-ethanesulfonic acid · additive · 2 copies · chains V, Y
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 | 1045 | 0.83 | 0.84 | 157 | empty |
| 2 | 1059 | 0.79 | 0.80 | 125 | empty |
| 3 | 776 | 0.79 | 0.82 | 85 | empty |
| 4 | 796 | 0.78 | 0.82 | 92 | empty |
| 5 | 936 | 0.78 | 0.80 | 101 | empty |
Interfaces
92 interfaces between chains.
- V–W · 1717 Ų buried · 28 hydrogen bonds · protein-protein
- H–I · 1709 Ų buried · 27 hydrogen bonds · protein-protein
- B–C · 1601 Ų buried · 27 hydrogen bonds · protein-protein
- P–Q · 1587 Ų buried · 22 hydrogen bonds · protein-protein
- L–V · 1537 Ų buried · 21 hydrogen bonds · protein-protein
Modifications
Observed in the structure: 2 covalent (covalent ligand).
Compared structures
- 5L5I · Yeast 20S proteasome with human beta5i (1-138) and human beta6 (97-111; 118-133) in… · the same entry in another collection · chain A against A, 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 P25043
- Every structure of UniProt P25451
- Every structure of UniProt P22141
- Every structure of UniProt P28062
- Every structure of UniProt P30656
- Every structure of UniProt P23724
- Every structure of UniProt P20618
- Every structure of UniProt P30657
- Every structure of UniProt P38624
- Elsewhere: RCSB PDB 5L5I · PDBe 5L5I · UniProt P23639 · UniProt P23638 · UniProt P40303 · UniProt P32379 · UniProt P40302 · UniProt P21242 · UniProt P21243 · UniProt P25043 · UniProt P25451 · UniProt P22141 · UniProt P28062 · UniProt P30656 · UniProt P23724 · UniProt P20618 · UniProt P30657 · UniProt P38624
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