PDB Entry (5wfj)
PDB ID: 5wfj Resolution: 2.48 Å Exp. Method: X-RAY DIFFRACTION
PMID: 28927786 DOI: 10.1016/j.bmcl.2017.09.023
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:   4-({[3-(prop-2-enamido)phenyl]methyl}amino)pyrrolo[1,2-b]pyridazine-3-carboxamide
Canonical SMILES:   NC(=O)c1cnn2cccc2c1NCc1cccc(NC(=O)C=C)c1
Standard InChI:   InChI=1S/C18H17N5O2/c1-2-16(24)22-13-6-3-5-12(9-13)10-20-17-14(18(19)25)11-21-23-8-4-7-15(17)23/h2-9,11,20H,1,10H2,(H2,19,25)(H,22,24)
HET Code:   9Z4 PubChem:   137654424
DrugBank:   - ChEMBL:   CHEMBL4092337
Molecular Formula:   C18H17N5O2 Mol. Weight:   335.1382 logP:   2.1698
HBD:   3 HBA:   5
#Rotatable Bonds:   6 TPSA:   101.52
Covalent Mechanism
Reaction Name Residue Chain ID SASA pKa Warhead Name Warhead Structure
Michael Addition CYS 909 A 25.92 10.9 Vinyl Carbonyl
Binding Affinity
Database Name Value
PDBBind IC50 : 1.3 nM