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Yeast 20S proteasome with human BETA2I (1-53) in complex with onx 0914

Analyse Yeast 20S proteasome with human BETA2I (1-53) in complex with onx 0914 in the GL1X research workbench: secondary structure, accessibility, pockets, interfaces, conservation, variants, modifications, peptides, crosslinks and neighbours on the 3D structure.

PDB
6HV4
Type
protein
Length
6,319 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, P40306, P25043, P25451, P22141, P30656, P23724, P30657, P38624
Ligands
GQK, MG, CL, SO4
Pockets
20 · best druggability 0.83

Structure

x-ray diffraction · 15 distinct chains · 35% helix, 30% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
A, OProteasome subunit alpha type-2 (EC 3.4.25.1)protein25035% helix, 25% strandP23639
B, PProteasome subunit alpha type-3 (EC 3.4.25.1)protein24438% helix, 25% strandP23638
C, QProteasome subunit alpha type-4 (EC 3.4.25.1)protein24036% helix, 24% strandP40303
D, RProteasome subunit alpha type-5 (EC 3.4.25.1)protein23539% helix, 27% strandP32379
E, SProteasome subunit alpha type-6 (EC 3.4.25.1)protein23138% helix, 28% strandP40302
F, TProbable proteasome subunit alpha type-7 (EC 3.4.25.1)protein24340% helix, 26% strandP21242
G, UProteasome subunit alpha type-1 (EC 3.4.25.1)protein24141% helix, 23% strandP21243
HProteasome subunit beta type-10,PROTEASOME subunit beta type-2 (EC 3.4.25.1)protein22629% helix, 35% strandP40306, P25043
I, WProteasome subunit beta type-3 (EC 3.4.25.1)protein20432% helix, 33% strandP25451
J, XProteasome subunit beta type-4 (EC 3.4.25.1)protein19533% helix, 34% strandP22141
K, YProteasome subunit beta type-5 (EC 3.4.25.1)protein21236% helix, 34% strandP30656
L, ZProteasome subunit beta type-6 (EC 3.4.25.1)protein22229% helix, 32% strandP23724
M, aProteasome subunit beta type-7 (EC 3.4.25.1)protein22231% helix, 33% strandP30657
N, bProteasome subunit beta type-1 (EC 3.4.25.1)protein19636% helix, 34% strandP38624
VProteasome subunit beta type-10,PROTEASOME subunit beta type-2 (EC 3.4.25.1)protein22329% helix, 35% strandP40306, P25043

Ligands and binding sites

  • GQK · (2~{S})-3-(4-methoxyphenyl)-~{N}-[(2~{S},3~{R})-4-methyl-3,4-bis(oxidanyl)-1-phenyl-pentan-2-yl]-2-[[(2~{S})-2-(2-morpholin-4-ylethanoylamino) propanoyl]amino]propanamide · ligand · 6 copies · chains H, I, K, L, N, V, W, Y, Z, b
  • MG · Magnesium ion · metal · 8 copies · chains G, I, K, W, N, a, L, V, Y, H, Z
  • CL · Chloride ion · ion · 2 copies · chains G, H, U, V
  • SO4 · Sulfate ion · ion · 2 copies · chains N, b
  • MES · 2-(N-morpholino)-ethanesulfonic acid · additive · 4 copies · chains H, Z, J, K, L, V, X, 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
19860.830.84125GQK
210960.810.82122empty
311760.800.81119empty
411780.800.81130empty
58080.790.8295empty

Interfaces

90 interfaces between chains.

  • V–W · 1749 Ų buried · 30 hydrogen bonds · protein-protein
  • H–I · 1744 Ų buried · 31 hydrogen bonds · protein-protein
  • B–C · 1593 Ų buried · 24 hydrogen bonds · protein-protein
  • P–Q · 1580 Ų buried · 25 hydrogen bonds · protein-protein
  • H–Z · 1518 Ų buried · 23 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 6 covalent (covalent ligand).

Compared structures

  • 6HV4 · Yeast 20S proteasome with human beta2i (1-53) in complex with ONX 0914 · the same entry in another collection · chain K against K, TM-score 1.00

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