4YHF Chain B
Tyrosine-protein kinase BTK (BTK)
Inactive — 0.0%DFG-inαC-outType1.5_Back · 4C9
Resolution
2.2 Å
R-value
0.176
Predicted activity confidence0.0%
Structure info
Alternate conformationB
Missing atoms13
Missing residues0
Salt bridge (KinCore)Saltbr-out
Sequence info
PDB sequence
LGYGSWEIDPKDLTFLKELGTGQFGVVKYGKWRGQYDVAIKMIKEGSMSEDEFIEEAKVMMNLSHEKLVQLYGVCTKQRPIFIITEYMANGCLLNYLREMRHRFQTQQLLEMCKDVCEAMEYLESKQFLHRDLAARNCLVNDQGVVKVSDFGLSRYVLDDEYTSSVGSKFPVRWSPPEVLMYSKFSSKSDIWAFGVLMWEIYSLGKMPYERFTNSETAEHIAQGLRLYRPHLASEKVYTIMYSCWHEKADERPTFKILLSNILDVMDEE
UniProt reference sequence
LTFLKELGTGQFGVVKYGKWRGQYDVAIKMIKEGSMSEDEFIEEAKVMMNLSHEKLVQLYGVCTKQRPIFIITEYMANGCLLNYLREMRHRFQTQQLLEMCKDVCEAMEYLESKQFLHRDLAARNCLVNDQGVVKVSDFGLSRYVLDDEYTSSVGSKFPVRWSPPEVLMYSKFSSKSDIWAFGVLMWEIYSLGKMPYERFTNSETAEHIAQGLRLYRPHLASEKVYTIMYSCWHEKADERPTFKILLSNILD
Aligned reference sequence
LTFL----------------KELGTGQ----------------FGVVKYGKW--R-------------------------------------GQYDVAIKMIK--EGSMS-----------------------------EDEFIEEAKVMMNL--------------------------SHEKLVQLYGVCTKQR--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------PIFIITEYMAN--------------GCLLNYLRE--MRH------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------RFQTQQLLEMCKDVCEAMEYLESK---------------------------------------------QFLHRDL-----AARNCLVND--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------QGVVKVSDFGLSRYVLDDEYT--SS--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------VGSKFPVRWSPPEVLMY--------------------------------SKFS-SKSDIWAFGVLMWEIYSL--G--------------KMPYER--------------------------------------------------FTNSETAEHIAQG--LRLYRPHLAS-----------------------------------------------------------------------------------------------------EKVYTIMYSCWHEKADERPT--------------FKILLSNILD
Shaded segments mark residues present in the UniProt reference but not resolved in this structure.
Projected alignment
LTFL----------------KELGTGQ----------------FGVVKYGKW--R-------------------------------------GQYDVAIKMIK--EGSMS-----------------------------EDEFIEEAKVMMNL--------------------------SHEKLVQLYGVCTKQR--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------PIFIITEYMAN--------------GCLLNYLRE--MRH------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------RFQTQQLLEMCKDVCEAMEYLESK---------------------------------------------QFLHRDL-----AARNCLVND--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------QGVVKVSDFGLSRYVLDDEYT--SS--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------VGSKFPVRWSPPEVLMY--------------------------------SKFS-SKSDIWAFGVLMWEIYSL--G--------------KMPYER--------------------------------------------------FTNSETAEHIAQG--LRLYRPHLAS-----------------------------------------------------------------------------------------------------EKVYTIMYSCWHEKADERPT--------------FKILLSNILD
Activation segment
DFGLSRYVLDDEYT--SS--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------VGSKFPVRWSPPE
Binding pocket
KELGTGQFGVVKYVAIKMIEFIEEAKVMMNLSEKLVQLYGVFIITEYMANGCLLNYLREYLESKQFLHRDLAARNCLVVSDFGLS
Ligand info
Orthosteric ligand
4C9
Allosteric ligand
None
Ligand typeType1.5_Back
Consensus conformation
DFG conformationin
αC-helix conformationout
Predicted activityinactive
KinaDB — structure detail · data from Browse_each_pdb_structure.csv · PDB 4YHF, Chain B