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20S yeast proteasome in complex with glidobactin

Analyse 20S yeast proteasome in complex with glidobactin in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
4FZG
Type
protein
Length
6,376 residues
Chains
32
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
MH9, 0W6
Pockets
20 · best druggability 0.83

Structure

x-ray diffraction · 15 distinct chains · 35% helix, 29% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
A, OProteasome component Y7 (EC 3.4.25.1)protein25035% helix, 25% strandP23639
B, PProteasome component Y13 (EC 3.4.25.1)protein24437% helix, 25% strandP23638
C, QProteasome component PRE6 (EC 3.4.25.1)protein24137% helix, 23% strandP40303
D, RProteasome component PUP2 (EC 3.4.25.1)protein24237% helix, 27% strandP32379
E, SProteasome component PRE5 (EC 3.4.25.1)protein23337% helix, 28% strandP40302
F, TProteasome component C1 (EC 3.4.25.1)protein24437% helix, 26% strandP21242
G, UProteasome component C7-alpha (EC 3.4.25.1)protein24340% helix, 21% strandP21243
H, VProteasome component PUP1 (EC 3.4.25.1)protein22229% helix, 34% strandP25043
I, WProteasome component PUP3 (EC 3.4.25.1)protein20432% helix, 32% strandP25451
J, XProteasome component C11 (EC 3.4.25.1)protein19833% 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, 32% strandP23724
M, aProteasome component PRE4 (EC 3.4.25.1)protein23331% helix, 32% strandP30657
N, bProteasome component PRE3 (EC 3.4.25.1)protein19638% helix, 34% strandP38624
c, d, e, fGlidobactinprotein20% helix, 0% strand—

Ligands and binding sites

  • MH9 · (2E,4E)-dodeca-2,4-dienoic acid · ligand · 4 copies · chains H, I, c, L, d, W, e, Z, f
  • 0W6 · (4S)-4-aminopentanoic acid · ligand · 4 copies · chains H, c, K, d, V, e, Y, f

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
110210.830.84146empty
210270.820.83113empty
38490.820.85116empty
49050.820.84107empty
511380.800.82108empty

Interfaces

102 interfaces between chains.

  • V–W · 1690 Ų buried · 27 hydrogen bonds · protein-protein
  • H–I · 1689 Ų buried · 28 hydrogen bonds · protein-protein
  • B–C · 1624 Ų buried · 25 hydrogen bonds · protein-protein
  • P–Q · 1600 Ų buried · 22 hydrogen bonds · protein-protein
  • L–V · 1478 Ų buried · 24 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 12 covalent, 4 modified (covalent ligand, nonstandard).

Compared structures

  • 4FZG · 20S yeast proteasome in complex with glidobactin · the same entry in another collection · chain B against B, TM-score 1.00

Analyse

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