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MolNFT v1 · #125641 · protein

Human 20S proteasome complex with delanzomib at 2.0 ångström

5LF4 · Proteasome subunit alpha type-2: “Human 20S proteasome complex with delanzomib at 2.0 ångström”. X-ray diffraction, 4 ligands (6V7, MG, K), 20 pockets (best druggability 0.79). MolNFT v1 #125641 on GenesisL1: 3D structure, binding…

PDB
5LF4
Type
protein
Length
6,235 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-4; Proteasome subunit…
EC
3.4.25.1
UniProt
P25787, P25789, O14818, P28066, P25786, P25788, P60900, Q99436, P49720, P49721, P28074, P20618, P28070, P28072
Ligands
6V7, MG, K, CL
Pockets
20 · best druggability 0.79

Structure

x-ray diffraction · 20 distinct chains · 36% helix, 29% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
A, OProteasome subunit alpha type-2 (EC 3.4.25.1)protein23036% helix, 26% strandP25787
B, PProteasome subunit alpha type-4 (EC 3.4.25.1)protein24839% helix, 27% strandP25789
CProteasome subunit alpha type-7 (EC 3.4.25.1)protein23738% helix, 24% strandO14818
D, RProteasome subunit alpha type-5 (EC 3.4.25.1)protein23334% helix, 26% strandP28066
EProteasome subunit alpha type-1 (EC 3.4.25.1)protein23437% helix, 27% strandP25786
FProteasome subunit alpha type-3 (EC 3.4.25.1)protein23938% helix, 27% strandP25788
GProteasome subunit alpha type-6 (EC 3.4.25.1)protein24439% helix, 26% strandP60900
H, VProteasome subunit beta type-7 (EC 3.4.25.1)protein22030% helix, 35% strandQ99436
I, WProteasome subunit beta type-3 (EC 3.4.25.1)protein20432% helix, 31% strandP49720
J, XProteasome subunit beta type-2 (EC 3.4.25.1)protein19633% helix, 36% strandP49721
KProteasome subunit beta type-5 (EC 3.4.25.1)protein20036% helix, 36% strandP28074
L, ZProteasome subunit beta type-1 (EC 3.4.25.1)protein21331% helix, 33% strandP20618
M, aProteasome subunit beta type-4 (EC 3.4.25.1)protein21634% helix, 34% strandP28070
NProteasome subunit beta type-6 (EC 3.4.25.1)protein20236% helix, 34% strandP28072
QProteasome subunit alpha type-7 (EC 3.4.25.1)protein23938% helix, 24% strandO14818
SProteasome subunit alpha type-1 (EC 3.4.25.1)protein23838% helix, 26% strandP25786
TProteasome subunit alpha type-3 (EC 3.4.25.1)protein24038% helix, 27% strandP25788
UProteasome subunit alpha type-6 (EC 3.4.25.1)protein23838% helix, 26% strandP60900
YProteasome subunit beta type-5 (EC 3.4.25.1)protein20135% helix, 36% strandP28074
bProteasome subunit beta type-6 (EC 3.4.25.1)protein20336% helix, 33% strandP28072

Ligands and binding sites

  • 6V7 · [(1~{R})-3-methyl-1-[[(2~{S},3~{S})-3-oxidanyl-2-[(6-phenylpyridin-2-yl) carbonylamino]butanoyl]amino]butyl]boronic acid · ligand · 4 copies · chains K, L, H, N, Y, Z, V, b
  • MG · Magnesium ion · metal · 10 copies · chains H, N, Z, I, Y, J, K, W, L, V, b, X
  • K · Potassium ion · metal · 8 copies · chains G, L, N, U, Z, b, V
  • CL · Chloride ion · ion · 52 copies · chains A, B, C, G, H, I, D, E, F, N, K, J, M, a, O, P, Q, W, U, V, R, S, b, Y, X
  • 1PE · Pentaethylene glycol · additive · 9 copies · chains H, I, J, D, K, L, M, V, b, G, N, Z, a, U, W, X, R, 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
111140.790.811436V7, CL
29760.790.8197CL
310990.790.80118CL
49100.780.8189empty
511080.760.78109CL

Interfaces

84 interfaces between chains.

  • H–I · 1656 Ų buried · 32 hydrogen bonds · protein-protein
  • A–G · 1611 Ų buried · 22 hydrogen bonds · protein-protein
  • O–U · 1502 Ų buried · 21 hydrogen bonds · protein-protein
  • P–Q · 1489 Ų buried · 31 hydrogen bonds · protein-protein
  • A–B · 1476 Ų buried · 17 hydrogen bonds · protein-protein

Modifications

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

Compared structures

  • 5LF4 · Human 20S proteasome complex with Delanzomib at 2.0 Angstrom · the same entry in another collection · chain F against F, TM-score 1.00

Analyse

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