4I6Q Chain A
Tyrosine-protein kinase JAK3 (JAK3)
Inactive — 0.1%DFG-inαC-inType1 · 1DT
Resolution
1.85 Å
R-value
0.198
Predicted activity confidence0.1%
Structure info
Alternate conformation—
Missing atoms0
Missing residues0
Salt bridge (KinCore)Saltbr-in
Sequence info
PDB sequence
TIFEERHLKYISQLGKGNFGSVELCRYDPLGDNTGALVAVKQLQHSGPDQQRDFQREIQILKALHSDFIVKYRGVSYLRLVMEYLPSGCLRDFLQRHRARLDASRLLLYSSQICKGMEYLGSRRCVHRDLAARNILVESEAHVKIADFGLAKLLPLDKDYYVVREPGQSPIFWYAPESLSDNIFSRQSDVWSFGVVLYELFTYCDKSCSPSAEFLRMMVPALSRLLELLEEGQRLPAPPACPAEVHELMKLCWAPSPQDRPSFSALGPQLDMLWSGS
UniProt reference sequence
LEWHENLGHGSFTKIYRGCRHEVVDGEARKTEVLLKVMDAKHKNCMESFLEAASLMSQVSYRHLVLLHGVCMAGDSTMVQEFVHLGAIDMYLRKRGHLVPASWKLQVVKQLAYALNYLEDKGLPHGNVSARKVLLAREGADGSPPFIKLSDPGVSPAVLSLEMLTDRIPWVAPECLREAQTLSLEADKWGFGATVWEVFSGVTMPISALDPAKKLQFYEDRQQLPAPKWTELALLIQQCMAYEPVQRPSFRAVIRDLNS
Aligned reference sequence
LEWH----------------ENLGHGS----------------FTKIYRGCR--HEVVDGEA------------------------------RKTEVLLKVMD--AKHKNC----------------------------MESFLEAASLMSQV--------------------------SYRHLVLLHGVCMAG---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------DSTMVQEFVHL--------------GAIDMYLRK--RGH------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------LVPASWKLQVVKQLAYALNYLEDK---------------------------------------------GLPHGNV-----SARKVLLAR--EGADGS------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------PPFIKLSDPGVSPAVLSL---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------EMLTDRIPWVAPECLRE--A-----------------------------QTLS-LEADKWGFGATVWEVFSG--V--------------TMPISA--------------------------------------------------LDPAKKLQFYEDR--QQLPAPKW-------------------------------------------------------------------------------------------------------TELALLIQQCMAYEPVQRPS--------------FRAVIRDLNS
Shaded segments mark residues present in the UniProt reference but not resolved in this structure.
Projected alignment
LKYI----------------SQLGKGN----------------F-GSVELCR-----YDPLG------------------------------DNTGALVAVKQ--LQHFQR----------------------------EIQILKALHSDFIV--------------------------KYRGVSYLRLVMEYL---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------PS--------G--------------CLRDFLQRH--RAR------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------L-DASRLLLYSSQICKGMEYLGSR---------------------------------------------RCVHRDL-----AARHVKIAD--FGLAKL------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------LPLDKVREPGQSP--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------IFWYAPESL-S--D-----------------------------NIFS-RQSDVWSFGVVLYELFEF--L--------------RMMVPA--------------------------------------------------L--SRLLELLEEG--QRLPAPCP-------------------------------------------------------------------------------------------------------AEVHELMKLCWAPSPQDRPS--------------FSALGPQLGS
Activation segment
EPGQSP--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------IFWYAPE
Binding pocket
SQLGKGNFGSVELVAVKQLDFQREIQILKALHDFIVKYRGVRLVMEYLPSGCLRDFLQRYLGSRRCVHRDLAARNILVIADFGLA
Ligand info
Orthosteric ligand
1DT
Allosteric ligand
PHU
Ligand typeType1
Consensus conformation
DFG conformationin
αC-helix conformationin
Predicted activityinactive
KinaDB — structure detail · data from Browse_each_pdb_structure.csv · PDB 4I6Q, Chain A