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4RG0

Crystal structure of BTK kinase domain complexed with 2-[8-fluoro-2-[2-(hydroxymethyl)-3-[1-methyl-5-[[5-(4-methylpiperazin-1-yl)-2-pyridyl]amino]-6-oxo-3-pyridyl]phenyl]-1-oxo-3,4-dihydroisoquinolin-6-yl]-2-methyl-propanenitrile

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Tyrosine-protein kinase BTKpolymer28332521.11UniProt (Q06187)
Pfam (PF07714)
Homo sapiens (human)Agammaglobulinemia tyrosine kinase, ATK, B-cell progenitor kinase, BPK, Bruton tyrosine kinase
2B
(A)
2-{8-fluoro-2-[2-(hydroxymethyl)-3-(1-methyl-5-{[5-(4-methylpiperazin-1-yl)pyridin-2-yl]amino}-6-oxo-1,6-dihydropyridin-3-yl)phenyl]-1-oxo-1,2,3,4-tetrahydroisoquinolin-6-yl}-2-methylpropanenitrilenon-polymer635.71Chemie (3P0)
3C
(A)
waterwater18.097Chemie (HOH)
Sequence modifications
A: 378 - 659 (UniProt: Q06187)
PDBExternal DatabaseDetails
Gly 377-expression tag
Ala 489Met 489engineered mutation
Ala 492Arg 492engineered mutation
Ala 624Glu 624engineered mutation
Ala 625Lys 625engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight32521.1
Non-Polymers*Number of molecules1
Total formula weight635.7
All*Total formula weight33156.9
*Water molecules are not included.

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PDB entries from 2025-08-27

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