3PJC Chain A
Tyrosine-protein kinase JAK3 (JAK3)
Active — 81.6%DFG-inαC-inType1 · PJC
Resolution
2.2 Å
R-value
0.182
Predicted activity confidence81.6%
Structure info
Alternate conformation—
Missing atoms22
Missing residues0
Salt bridge (KinCore)Saltbr-in
Sequence info
PDB sequence
TIFEERHLKYISQLGKGNFGSVELCRYDPLGDNTGALVAVKQLQHSGPDQQRDFQREIQILKALHSDFIVKYRGVSYGSLRLVMEYLPSGCLRDFLQRHRARLDASRLLLYSSQICKGMEYLGSRRCVHRDLAARNILVESEAHVKIADFGLAKLLPLDKDYYVVREPGQSPIFWYAPESLSDNIFSRQSDVWSFGVVLYELFTYCDKSCSPSAEFLRMMGCERDVPALCRLLELLEEGQRLPAPPACPAEVHELMKLCWAPSPQDRPSFSALGPQLDMLWSGSRG
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--------------------------KYR------GV-SYG---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------SLRLVMEYLPS--------------GCLRDFLQR--HRA------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------RLDASRLLLYSSQICKGMEYLGSR---------------------------------------------RCVHRDL-----AARHVKIAD--FGLAKL------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------LPLDKVREPGQSP--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------IFWYAPESL-S--D-----------------------------NIFS-RQSDVWSFGVVLYELFMG--C--------------ERDVPA--------------------------------------------------L--CRLLELLEEG--QRLPAPCP-------------------------------------------------------------------------------------------------------AEVHELMKLCWAPSPQDRPS--------------FSALGPQLRG
Activation segment
EPGQSP--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------IFWYAPE
Binding pocket
SQLGKGNFGSVELVAVKQLDFQREIQILKALHDFIVKYRGVRLVMEYLPSGCLRDFLQRYLGSRRCVHRDLAARNILVIADFGLA
Ligand info
Orthosteric ligand
PJC
Allosteric ligand
None
Ligand typeType1
Consensus conformation
DFG conformationin
αC-helix conformationin
Predicted activityactive
KinaDB — structure detail · data from Browse_each_pdb_structure.csv · PDB 3PJC, Chain A