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MolNFT v1 · #142635 · protein

Crystal structure of JAK3 in complex with peficitinib

6AAK · Tyrosine-protein kinase JAK3: “Crystal structure of JAK3 in complex with peficitinib”. X-ray diffraction, 1 ligand (9T6), 8 pockets (best druggability 0.78). MolNFT v1 #142635 on GenesisL1: 3D structure, binding sites and pockets in…

PDB
6AAK
Type
protein
Length
1,106 residues
Chains
4
Method
x-ray diffraction
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Tyrosine-protein kinase JAK3
EC
2.7.10.2
UniProt
P52333
Ligands
9T6
Pockets
8 · best druggability 0.78

Structure

x-ray diffraction · 4 distinct chains · 42% helix, 20% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
ATyrosine-protein kinase JAK3 (EC 2.7.10.2)protein27742% helix, 21% strandP52333
BTyrosine-protein kinase JAK3 (EC 2.7.10.2)protein28543% helix, 20% strandP52333
CTyrosine-protein kinase JAK3 (EC 2.7.10.2)protein27643% helix, 20% strandP52333
DTyrosine-protein kinase JAK3 (EC 2.7.10.2)protein26841% helix, 20% strandP52333

Ligands and binding sites

  • 9T6 · 4-[[(1S,3R)-5-oxidanyl-2-adamantyl]amino]-1H-pyrrolo[2, 3-b]pyridine-5-carboxamide · ligand · 4 copies · chains A, B, C, D

Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.

Pockets

8 pockets found on a 1 Å grid, 6 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
18710.780.81819T6
29230.750.78719T6
35040.670.78469T6
44300.660.79409T6
53960.600.7640empty

Interfaces

3 interfaces between chains.

  • A–B · 657 Ų buried · 4 hydrogen bonds · protein-protein
  • C–D · 606 Ų buried · 5 hydrogen bonds · protein-protein
  • B–D · 141 Ų buried · 1 hydrogen bond · protein-protein

Modifications

Observed in the structure: 8 modified (phosphorylation).

Compared structures

  • 6AAK · Crystal structure of JAK3 in complex with peficitinib · the same entry in another collection · chain D against D, TM-score 1.00
  • P52333 · AlphaFold monomer V2.0 prediction for tyrosine-protein kinase JAK3 (P52333) · a predicted model of the same protein · chain C against A, TM-score 0.98

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