PDB Entry (4yhf)
PDB ID: 4yhf Resolution: 2.2 Å Exp. Method: X-RAY DIFFRACTION
PMID: 26006010 DOI: 10.1038/nchembio.1817
Protein
Protein Name: Tyrosine-protein kinase BTK
Uniprot ID/ACC: Q06187 (BTK_HUMAN) Organism: Homo sapiens (Human)
Gene Symbol: BTK Gene ID: 695
Protein Class: TRANSFERASE
Ligand
Ligand Name:   (2E)-2-[(E)-(3R)-3-[4-amino-3-(4-phenoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-1-yl]piperidine-1-carbonyl]-4,4-dimethylpent-2-enenitrile
Canonical SMILES:   CC(C)(C)/C=C(\C#N)C(=O)N1CCC[C@H](C1)n2nc(c(c23)c(N)ncn3)-c4ccc(cc4)Oc5ccccc5
Standard InChI:   InChI=1S/C30H31N7O2/c1-30(2,3)16-21(17-31)29(38)36-15-7-8-22(18-36)37-28-25(27(32)33-19-34-28)26(35-37)20-11-13-24(14-12-20)39-23-9-5-4-6-10-23/h4-6,9-14,16,19,22H,7-8,15,18H2,1-3H3,(H2,32,33,34)/b21-16+/t22-/m1/s1
HET Code:   4C9 PubChem:   89216860
DrugBank:   - ChEMBL:   CHEMBL4212697
Molecular Formula:   C30H31N7O2 Mol. Weight:   521.2539 logP:   5.52738
HBD:   1 HBA:   8
#Rotatable Bonds:   5 TPSA:   122.95
Covalent Mechanism
Reaction Name Residue Chain ID SASA pKa Warhead Name Warhead Structure
Michael Addition CYS 481 A 46.45 13.16 Alpha-Cyanovinyl Carbonyl
Binding Affinity
Database Name Value
PDBBind IC50 : 4.6 nM