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MolNFT v1 · #61859 · protein

Crystal structure of yeast 20S proteasome in complex with the epimer form of spirolactacystin

3DY3 · Proteasome component Y7: “Crystal structure of yeast 20S proteasome in complex with the epimer form of spirolactacystin”. X-ray diffraction, 1 ligand (SLR), 20 pockets (best druggability 0.83). MolNFT v1 #61859 on GenesisL1: 3D…

PDB
3DY3
Type
protein
Length
6,368 residues
Chains
28
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Proteasome component Y7; Proteasome component Y13; Proteasome component PRE6; Proteasome…
EC
3.4.25.1
UniProt
P23639, P23638, P40303, P32379, P40302, P21242, P21243, P25043, P25451, P22141, P30656, P23724, P30657, P38624
Ligands
SLR
Pockets
20 · best druggability 0.83

Structure

x-ray diffraction · 14 distinct chains · 35% helix, 29% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
A, OProteasome component Y7 (EC 3.4.25.1)protein25036% helix, 25% strandP23639
B, PProteasome component Y13 (EC 3.4.25.1)protein24439% helix, 23% strandP23638
C, QProteasome component PRE6 (EC 3.4.25.1)protein24137% helix, 24% strandP40303
D, RProteasome component PUP2 (EC 3.4.25.1)protein24237% helix, 27% strandP32379
E, SProteasome component PRE5 (EC 3.4.25.1)protein23336% helix, 28% strandP40302
F, TProteasome component C1 (EC 3.4.25.1)protein24438% helix, 25% strandP21242
G, UProteasome component C7-alpha (EC 3.4.25.1)protein24339% helix, 23% strandP21243
H, VProteasome component PUP1 (EC 3.4.25.1)protein22229% helix, 35% strandP25043
I, WProteasome component PUP3 (EC 3.4.25.1)protein20432% helix, 33% strandP25451
J, XProteasome component C11 (EC 3.4.25.1)protein19834% helix, 33% strandP22141
K, YProteasome component PRE2 (EC 3.4.25.1)protein21236% helix, 34% strandP30656
L, ZProteasome component C5 (EC 3.4.25.1)protein22228% helix, 31% strandP23724
M, 1Proteasome component PRE4 (EC 3.4.25.1)protein23333% helix, 30% strandP30657
N, 2Proteasome component PRE3 (EC 3.4.25.1)protein19638% helix, 35% strandP38624

Ligands and binding sites

  • SLR · (3R,4R)-3-hydroxy-2-[(1S)-1-hydroxy-2-methylpropyl]-4-methyl-5-oxo-D-proline · ligand · 2 copies · chains K, 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.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
19930.830.84146empty
29780.830.84115empty
310570.820.83110empty
49350.820.84109empty
58470.810.8488empty

Interfaces

92 interfaces between chains.

  • V–W · 1693 Ų buried · 29 hydrogen bonds · protein-protein
  • H–I · 1688 Ų buried · 29 hydrogen bonds · protein-protein
  • B–C · 1630 Ų buried · 30 hydrogen bonds · protein-protein
  • P–Q · 1599 Ų buried · 26 hydrogen bonds · protein-protein
  • L–V · 1462 Ų buried · 23 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 2 covalent (covalent ligand).

Compared structures

  • 3DY3 · Crystal structure of yeast 20S proteasome in complex with the epimer form of… · the same entry in another collection · chain B against B, TM-score 1.00

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