3KRL Chain A
Macrophage colony-stimulating factor 1 receptor (CSF1R)
Inactive — 1.2%DFG-outαC-inType1 · KRL
Resolution
2.4 Å
R-value
0.212
Predicted activity confidence1.2%
Structure info
Alternate conformationB
Missing atoms0
Missing residues0
Salt bridge (KinCore)Saltbr-out
Sequence info
PDB sequence
KYQVRWKIIPYNEKWEFPRNNLQFGKTLGAGAFGKVVEATAFGLGKEDAVLKVAVKMLKSTAADEKEALMSELKIMSHLGQHENIVNLLGACTHGGPVLVITEYCCYGDLLNFLRRKRQLSSRDLLHFSSQVAQGMAFLASKNCIHRDVAARNVLLTNGHVAKIGDFGLARDIMNDSNYIVKGARLPVKWMAPESIFDCVYTVQSDVWSYGILLWEIFSLGLNPYPGILVNSKFYKLVKDGYQMAQPAFAPKNIYSIMQACWALEPTHRPTFQQICSFLQE
UniProt reference sequence
LQFGKTLGAGAFGKVVEATAFGLGKEDAVLKVAVKMLKSTAHADEKEALMSELKIMSHLGQHENIVNLLGACTHGGPVLVITEYCCYGDLLNFLRRKAEAMLGPSLSPGQDPEGGVDYKNIHLEKKYVRRDSGFSSQGVDTYVEMRPVSTSSNDSFSEQDLDKEDGRPLELRDLLHFSSQVAQGMAFLASKNCIHRDVAARNVLLTNGHVAKIGDFGLARDIMNDSNYIVKGNARLPVKWMAPESIFDCVYTVQSDVWSYGILLWEIFSLGLNPYPGILVNSKFYKLVKDGYQMAQPAFAPKNIYSIMQACWALEPTHRPTFQQICSFLQE
Aligned reference sequence
LQFG----------------KTLGAGA----------------FGKVVEATA--FGLGKED-------------------------------AVLKVAVKMLK--STAHADE---------------------------KEALMSELKIMSHL--G-----------------------QHENIVNLLGACTHGG--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------PVLVITEYCCY--------------GDLLNFLRR--KAEAMLGPSLSPGQDPEGGVDYKNIHLEKKYVRRDSGFSSQGVDTYVEMRPVSTSSNDSFSEQDLDKEDGR----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------PLELRDLLHFSSQVAQGMAFLASK---------------------------------------------NCIHRDV-----AARNVLLTN--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------GHVAKIGDFGLARDIMNDSNY--IVK-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------GNARLPVKWMAPESIFD--------------------------------CVYT-VQSDVWSYGILLWEIFSL--G--------------LNPYPG--I-----------------------------------------------LVNSKFYKLVKDG--YQMAQPAFAP-----------------------------------------------------------------------------------------------------KNIYSIMQACWALEPTHRPT--------------FQQICSFLQE
Shaded segments mark residues present in the UniProt reference but not resolved in this structure.
Projected alignment
LQFG----------------KTLGAGA----------------FGKVVEATA--FGLGKED-------------------------------AVLKVAVKMLK--STA-ADE---------------------------KEALMSELKIMSHL--G-----------------------QHENIVNLLGACTHGG--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------PVLVITEYCCY--------------GDLLNFLRR--K---------------------------------------------------------------------R----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------QLSSRDLLHFSSQVAQGMAFLASK---------------------------------------------NCIHRDV-----AARNVLLTN--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------GHVAKIGDFGLARDIMNDSNY--IVK-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------G-ARLPVKWMAPESIFD--------------------------------CVYT-VQSDVWSYGILLWEIFSL--G--------------LNPYPG--I-----------------------------------------------LVNSKFYKLVKDG--YQMAQPAFAP-----------------------------------------------------------------------------------------------------KNIYSIMQACWALEPTHRPT--------------FQQICSFLQE
Activation segment
DFGLARDIMNDSNY--IVK-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------G-ARLPVKWMAPE
Binding pocket
KTLGAGAFGKVVEVAVKMLALMSELKIMSHLGENIVNLLGALVITEYCCYGDLLNFLRRFLASKNCIHRDVAARNVLLIGDFGLA
Ligand info
Orthosteric ligand
KRL
Allosteric ligand
None
Ligand typeType1
Consensus conformation
DFG conformationout
αC-helix conformationin
Predicted activityinactive
KinaDB — structure detail · data from Browse_each_pdb_structure.csv · PDB 3KRL, Chain A