PDB Entry (4qps)
PDB ID: 4qps Resolution: 1.8 Å Exp. Method: X-RAY DIFFRACTION
PMID: 25552479 DOI: 10.1074/jbc.M114.595181
Protein
Protein Name: Tyrosine-protein kinase JAK3
Uniprot ID/ACC: P52333 (JAK3_HUMAN) Organism: Homo sapiens (Human)
Gene Symbol: JAK3 Gene ID: 3718
Protein Class: TRANSFERASE
Ligand
Ligand Name:   N-{1-[6-(phenylamino)pyrazin-2-yl]-1H-benzimidazol-6-yl}prop-2-enamide
Canonical SMILES:   C=CC(=O)Nc(c1)ccc(c12)ncn2-c3cncc(n3)Nc4ccccc4
Standard InChI:   InChI=1S/C20H16N6O/c1-2-20(27)24-15-8-9-16-17(10-15)26(13-22-16)19-12-21-11-18(25-19)23-14-6-4-3-5-7-14/h2-13H,1H2,(H,23,25)(H,24,27)
HET Code:   37Q PubChem:   11152476
DrugBank:   - ChEMBL:   -
Molecular Formula:   C20H16N6O Mol. Weight:   356.13855 logP:   3.6836
HBD:   2 HBA:   6
#Rotatable Bonds:   5 TPSA:   84.73
Covalent Mechanism
Reaction Name Residue Chain ID SASA pKa Warhead Name Warhead Structure
Michael Addition CYS 909 A 36.73 13.31 Vinyl Carbonyl
Binding Affinity
Database Name Value
PDBBind IC50 : 300 nM