4XG2 Chain A
Tyrosine-protein kinase SYK (SYK)
Active — 99.2%DFG-inαC-in
Resolution
2.21 Å
R-value
0.204
Predicted activity confidence99.2%
Structure info
Alternate conformation—
Missing atoms0
Missing residues5
Salt bridge (KinCore)Saltbr-in
Sequence info
PDB sequence
YLDRKLLTLEELGSTVKKGYYQMKKVVKTVAVKILKNPALKDELLAEANVMQQLDNPYIVRMIGICEAESWMLVMEMAELGPLNKYLQQNRHVKDKNIIELVHQVSMGMKYLEESNFVHRDLAARNVLLVTQHYAKISDFGLSKALRADENYYKAKWPVKWYAPECINYYKFSSKSDVWSFGVLMWEAFSYGQKPYRGMKGSEVTAMLEKGERMGCPAGCPREMYDLMNLCWTYDVENRPGFAAVELRLRNYYYDVVNL
UniProt reference sequence
LTLEDKELGSGNFGTVKKGYYQMKKVVKTVAVKILKNEANDPALKDELLAEANVMQQLDNPYIVRMIGICEAESWMLVMEMAELGPLNKYLQQNRHVKDKNIIELVHQVSMGMKYLEESNFVHRDLAARNVLLVTQHYAKISDFGLSKALRADENYYKAQTHGKWPVKWYAPECINYYKFSSKSDVWSFGVLMWEAFSYGQKPYRGMKGSEVTAMLEKGERMGCPAGCPREMYDLMNLCWTYDVENRPGFAAVELRLRN
Aligned reference sequence
LTLE--D-------------KELGSGN----------------FGTVKKGYY--QMKK----------------------------------VVKTVAVKILK--NEANDPAL--------------------------KDELLAEANVMQQL--------------------------DNPYIVRMIGICEAE---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------SWMLVMEMAEL--------------GPLNKYLQQ--NR-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------HVKDKNIIELVHQVSMGMKYLEES---------------------------------------------NFVHRDL-----AARNVLLVT--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------QHYAKISDFGLSKALRADENY--YKAQ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------THGKWPVKWYAPECINY--------------------------------YKFS-SKSDVWSFGVLMWEAFSY--G--------------QKPYRG--------------------------------------------------MKGSEVTAMLEKG--ERMGCPAGCP-----------------------------------------------------------------------------------------------------REMYDLMNLCWTYDVENRPG--------------FAAVELRLRN
Shaded segments mark residues present in the UniProt reference but not resolved in this structure.
Projected alignment
LTLE-----------------ELGS--------------------TVKKGYY--QMKK----------------------------------VVKTVAVKILK--N----PAL--------------------------KDELLAEANVMQQL--------------------------DNPYIVRMIGICEAE---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------SWMLVMEMAEL--------------GPLNKYLQQ--NR-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------HVKDKNIIELVHQVSMGMKYLEES---------------------------------------------NFVHRDL-----AARNVLLVT--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------QHYAKISDFGLSKALRADENY--YKA----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------KWPVKWYAPECINY--------------------------------YKFS-SKSDVWSFGVLMWEAFSY--G--------------QKPYRG--------------------------------------------------MKGSEVTAMLEKG--ERMGCPAGCP-----------------------------------------------------------------------------------------------------REMYDLMNLCWTYDVENRPG--------------FAAVELRLRN
Activation segment
DFGLSKALRADENY--YKA----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------KWPVKWYAPE
Binding pocket
_ELGS____TVKKVAVKILELLAEANVMQQLDPYIVRMIGIMLVMEMAELGPLNKYLQQYLEESNFVHRDLAARNVLLISDFGLS
Ligand info
Orthosteric ligand
None
Allosteric ligand
None
Ligand typeNo_ligand
Consensus conformation
DFG conformationin
αC-helix conformationin
Predicted activityactive
KinaDB — structure detail · data from Browse_each_pdb_structure.csv · PDB 4XG2, Chain A