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MolNFT v1 · #151729 · protein

Yeast 20S proteasome BETA2-G45A mutant in complex with carfilzomib

6HWE · Proteasome subunit alpha type-2: “Yeast 20S proteasome BETA2-G45A mutant in complex with carfilzomib”. X-ray diffraction, 4 ligands (GWZ, MG, CL), 20 pockets (best druggability 0.84). MolNFT v1 #151729 on GenesisL1: 3D structure…

PDB
6HWE
Type
protein
Length
6,344 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, P30656, P23724, P30657, P38624
Ligands
GWZ, MG, CL, SO4
Pockets
20 · best druggability 0.84

Structure

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

ChainMoleculeTypeResiduesSecondary structureUniProt
A, OProteasome subunit alpha type-2 (EC 3.4.25.1)protein25035% helix, 26% 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, 23% strandP40303
D, RProteasome subunit alpha type-5 (EC 3.4.25.1)protein23538% 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
H, VProteasome subunit beta type-2 (EC 3.4.25.1)protein22629% helix, 34% strandP25043
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)protein22228% helix, 31% strandP23724
M, aProteasome subunit beta type-7 (EC 3.4.25.1)protein23331% helix, 31% strandP30657
N, bProteasome subunit beta type-1 (EC 3.4.25.1)protein19638% helix, 34% strandP38624

Ligands and binding sites

  • GWZ · (2~{S})-~{N}-[(2~{S})-1-[[(3~{R},4~{S})-2,6-dimethyl-2, 3-bis(oxidanyl)heptan-4-yl]amino]-1-oxidanylidene-3-phenyl-propan-2-yl]-4-methyl-2-[[(2~{S})-2-(2-morpholin-4-ylethanoylamino)-4-phenyl-butanoyl]amino]pentanamide · ligand · 6 copies · chains H, I, K, L, N, V, W, Y, Z, b
  • MG · Magnesium ion · metal · 8 copies · chains G, I, Y, K, W, L, V, N, a, 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
111380.840.85167empty
29710.830.84121GWZ
311280.810.82110empty
411910.800.82113empty
58090.800.83101empty

Interfaces

92 interfaces between chains.

  • H–I · 1726 Ų buried · 27 hydrogen bonds · protein-protein
  • V–W · 1711 Ų buried · 28 hydrogen bonds · protein-protein
  • B–C · 1634 Ų buried · 29 hydrogen bonds · protein-protein
  • P–Q · 1591 Ų buried · 22 hydrogen bonds · protein-protein
  • H–Z · 1509 Ų buried · 19 hydrogen bonds · protein-protein

Modifications

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

Compared structures

  • 6HWE · Yeast 20S proteasome beta2-G45A mutant in complex with carfilzomib · the same entry in another collection · chain A against A, TM-score 1.00

Analyse

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