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MolNFT v1 · #149720 · protein

Yeast 20S proteasome in complex with cystargolide B derivative 1

6G8M · Proteasome subunit alpha type-2: “Yeast 20S proteasome in complex with cystargolide B derivative 1”. X-ray diffraction, 3 ligands (EQE, MG, CL), 20 pockets (best druggability 0.83). MolNFT v1 #149720 on GenesisL1: 3D structure…

PDB
6G8M
Type
protein
Length
6,339 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
EQE, MG, CL
Pockets
20 · best druggability 0.83

Structure

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

ChainMoleculeTypeResiduesSecondary structureUniProt
A, OProteasome subunit alpha type-2 (EC 3.4.25.1)protein25036% 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, 24% strandP40303
D, RProteasome subunit alpha type-5 (EC 3.4.25.1)protein23537% 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)protein24140% 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, 32% 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, 35% strandP30656
L, ZProteasome subunit beta type-6 (EC 3.4.25.1)protein22228% helix, 31% strandP23724
MProteasome subunit beta type-7 (EC 3.4.25.1)protein22931% helix, 32% strandP30657
N, bProteasome subunit beta type-1 (EC 3.4.25.1)protein19636% helix, 34% strandP38624
aProteasome subunit beta type-7 (EC 3.4.25.1)protein23231% helix, 32% strandP30657

Ligands and binding sites

  • EQE · (2~{S},3~{R})-4-[[(2~{S})-3-methyl-1-[[(2~{S})-3-methyl-1-oxidanylidene-1-phenylmethoxy-butan-2-yl]amino]-1-oxidanylidene-butan-2-yl]amino]-3-oxidanyl-4-oxidanylidene-2-propan-2-yl-butanoic acid · ligand · 6 copies · chains H, N, Z, J, K, W, X, L, V, b, I, Y
  • MG · Magnesium ion · metal · 8 copies · chains G, I, Y, K, W, N, a, L, V, H, Z
  • CL · Chloride ion · ion · 2 copies · chains G, H, U, V

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
111300.830.84161empty
29040.820.84108empty
39890.800.81108empty
47410.800.8498empty
58700.790.8295empty

Interfaces

91 interfaces between chains.

  • H–I · 1729 Ų buried · 29 hydrogen bonds · protein-protein
  • V–W · 1723 Ų buried · 26 hydrogen bonds · protein-protein
  • B–C · 1637 Ų buried · 30 hydrogen bonds · protein-protein
  • P–Q · 1578 Ų buried · 21 hydrogen bonds · protein-protein
  • L–V · 1562 Ų buried · 23 hydrogen bonds · protein-protein

Modifications

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

Compared structures

  • 6G8M · Yeast 20S proteasome in complex with Cystargolide B Derivative 1 · the same entry in another collection · chain B against B, TM-score 1.00

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