1PKG Chain A
Mast/stem cell growth factor receptor Kit (KIT)
Active — 97.2%DFG-inαC-inATPlike · ADP
Resolution
2.9 Å
R-value
0.229
Predicted activity confidence97.2%
Structure info
Alternate conformation—
Missing atoms0
Missing residues0
Salt bridge (KinCore)Saltbr-out
Sequence info
PDB sequence
NVIDPTQLPYDHKWEFPRNRLSFGKTLGAGAFGKVVEATAYGLIKSDAAMTVAVKMLKPSAHLTEREALMSELKVLSYLGNHMNIVNLLGACTIGGPTLVITEYCCYGDLLNFLRRKRDSFICSKALDLEDLLSFSYQVAKGMAFLASKNCIHRDLAARNILLTHGRITKICDFGLARDIKNDSNYVVKGNARLPVKWMAPESIFNCVYTFESDVWSYGIFLWELFSLGSSPYPGMPVDSKFYKMIKEGFRMLSPEHAPAEMYDIMKTCWDADPLKRPTFKQIVQLIEKQ
UniProt reference sequence
LSFGKTLGAGAFGKVVEATAYGLIKSDAAMTVAVKMLKPSAHLTEREALMSELKVLSYLGNHMNIVNLLGACTIGGPTLVITEYCCYGDLLNFLRRKRDSFICSKQEDHAEAALYKNLLHSKESSCSDSTNEYMDMKPGVSYVVPTKADKRRSVRIGSYIERDVTPAIMEDDELALDLEDLLSFSYQVAKGMAFLASKNCIHRDLAARNILLTHGRITKICDFGLARDIKNDSNYVVKGNARLPVKWMAPESIFNCVYTFESDVWSYGIFLWELFSLGSSPYPGMPVDSKFYKMIKEGFRMLSPEHAPAEMYDIMKTCWDADPLKRPTFKQIVQLIEK
Aligned reference sequence
LSFG----------------KTLGAGA----------------FGKVVEATA--YGLIKSD-------------------------------AAMTVAVKMLK--PSAHLTE---------------------------REALMSELKVLSYL--G-----------------------NHMNIVNLLGACTIGG--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------PTLVITEYCCY--------------GDLLNFLRR--KRDSFICSKQEDHAEAALYKNLLHSKESSCSDSTNEYMDMKPGVSYVVPTKADKRRSVRIGSYIERDVTPAIMEDDEL---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ALDLEDLLSFSYQVAKGMAFLASK---------------------------------------------NCIHRDL-----AARNILLTH--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------GRITKICDFGLARDIKNDSNY--VVK-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------GNARLPVKWMAPESIFN--------------------------------CVYT-FESDVWSYGIFLWELFSL--G--------------SSPYPG--M-----------------------------------------------PVDSKFYKMIKEG--FRMLSPEHAP-----------------------------------------------------------------------------------------------------AEMYDIMKTCWDADPLKRPT--------------FKQIVQLIEK
Shaded segments mark residues present in the UniProt reference but not resolved in this structure.
Projected alignment
LSFG----------------KTLGAGA----------------FGKVVEATA--YGLIKSD-------------------------------AAMTVAVKMLK--PSAHLTE---------------------------REALMSELKVLSYL--G-----------------------NHMNIVNLLGACTIGG--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------PTLVITEYCCY--------------GDLLNFLRR--KRDSFICSK------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ALDLEDLLSFSYQVAKGMAFLASK---------------------------------------------NCIHRDL-----AARNILLTH--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------GRITKICDFGLARDIKNDSNY--VVK-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------GNARLPVKWMAPESIFN--------------------------------CVYT-FESDVWSYGIFLWELFSL--G--------------SSPYPG--M-----------------------------------------------PVDSKFYKMIKEG--FRMLSPEHAP-----------------------------------------------------------------------------------------------------AEMYDIMKTCWDADPLKRPT--------------FKQIVQLIEK
Activation segment
DFGLARDIKNDSNY--VVK-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------GNARLPVKWMAPE
Binding pocket
KTLGAGAFGKVVEVAVKMLALMSELKVLSYLGMNIVNLLGALVITEYCCYGDLLNFLRRFLASKNCIHRDLAARNILLICDFGLA
Ligand info
Orthosteric ligand
ADP
Allosteric ligand
None
Ligand typeATPlike
Consensus conformation
DFG conformationin
αC-helix conformationin
Predicted activityactive
KinaDB — structure detail · data from Browse_each_pdb_structure.csv · PDB 1PKG, Chain A