4NFN Chain A
Tau-tubulin kinase 1 (TTBK1)
Active — 99.6%DFG-inαC-inType1 · 2KC
Resolution
1.42 Å
R-value
0.186
Predicted activity confidence99.6%
Structure info
Alternate conformationA
Missing atoms8
Missing residues0
Salt bridge (KinCore)Saltbr-in
Sequence info
PDB sequence
DILPANYVVKDRWKVLKKIGGGGFGEIYEAMDLLTRENVALKVESAQQPKQVLKMEVAVLKKLQGKDHVCRFIGCGRNEKFNYVVMQLQGRNLADLRRSQPRGTFTLSTTLRLGKQILESIEAIHSVGFLHRDIKPSNFAMGRLPSTYRKCYMLDFGLARQYTNTTGDVRPPRNVAGFRGTVRYASVNAHKNREMGRHDDLWSLFYMLVEFAVGQLPWRKIKDKEQVGMIKEKYEHRMLLKHMPSEFHLFLDHIASLDYFTKPDYQLIMSVFENSMKERGIAENEAFDWEKAG
UniProt reference sequence
WKVLKKIGGGGFGEIYEAMDLLTRENVALKVESAQQPKQVLKMEVAVLKKLQGKDHVCRFIGCGRNEKFNYVVMQLQGRNLADLRRSQPRGTFTLSTTLRLGKQILESIEAIHSVGFLHRDIKPSNFAMGRLPSTYRKCYMLDFGLARQYTNTTGDVRPPRNVAGFRGTVRYASVNAHKNREMGRHDDLWSLFYMLVEFAVGQLPWRKIKDKEQVGMIKEKYEHRMLLKHMPSEFHLFLDHIASLDYFTKPDYQLIMSVFEN
Aligned reference sequence
WKVL----------------KKIGGGG----------------FGEIYEAMD--LL------------------------------------TRENVALKVES--AQQP------------------------------KQVLKMEVAVLKKL--Q-----------------------GKDHVCRFIGCGRNEK--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------FNYVVMQLQG---------------RNLADLRRS--QPRG-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------TFTLSTTLRLGKQILESIEAIHSV---------------------------------------------GFLHRDI-----KPSNFAMGR--LPST--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------YRKCYMLDFGLARQYTNTTGD--VRPPRNV---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------AGFRGTVRYASVNAHKN--------------------------------REMG-RHDDLWSLFYMLVEFAVG-----------------QLPWRK--I-----------------------------------------------KDKEQVGMIKEKY--EHRMLLKHMP-----------------------------------------------------------------------------------------------------SEFHLFLDHIASLDYFTKPD--------------YQLIMSVFEN
Shaded segments mark residues present in the UniProt reference but not resolved in this structure.
Projected alignment
WKVL----------------KKIGGGG----------------FGEIYEAMD--LL------------------------------------TRENVALKVES--AQQP------------------------------KQVLKMEVAVLKKL--Q-----------------------GKDHVCRFIGCGRNEK--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------FNYVVMQLQG---------------RNLADLRRS--QPRG-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------TFTLSTTLRLGKQILESIEAIHSV---------------------------------------------GFLHRDI-----KPSNFAMGR--LPST--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------YRKCYMLDFGLARQYTNTTGD--VRPPRNV---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------AGFRGTVRYASVNAHKN--------------------------------REMG-RHDDLWSLFYMLVEFAVG-----------------QLPWRK--I-----------------------------------------------KDKEQVGMIKEKY--EHRMLLKHMP-----------------------------------------------------------------------------------------------------SEFHLFLDHIASLDYFTKPD--------------YQLIMSVFEN
Activation segment
DFGLARQYTNTTGD--VRPPRNV---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------AGFRGTVRYASVN
Binding pocket
KKIGGGGFGEIYEVALKVEVLKMEVAVLKKLQDHVCRFIGCYVVMQLQG_RNLADLRRSAIHSVGFLHRDIKPSNFAMMLDFGLA
Ligand info
Orthosteric ligand
2KC
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 4NFN, Chain A