4HOK Chain E
Casein kinase I isoform epsilon (CSNK1E)
Active — 99.9%DFG-inαC-in
Resolution
2.77 Å
R-value
0.241
Predicted activity confidence99.9%
Structure info
Alternate conformation—
Missing atoms3
Missing residues3
Salt bridge (KinCore)Saltbr-out
Sequence info
PDB sequence
MELRVGNKYRLGRKIGSGDIYLGANIASGEEVAIKLECVKTKHPQLHIESKFYKMMQGGVGIPSIKWCGAEGDYNVMVMELLGPSLEDLFNFCSRKFSLKTVLLLADQMISRIEYIHSKNFIHRDVKPDNFLMGLGKKGNLVYIIDFGLAKKYRDARTHQHIPYRENKNLTGTARYASINTHLGIEQSRRDDLESLGYVLMYFNLGSLPWQGLKAATKRQKYERISEKKMSTPIEVLCKGYPSEFSTYLNFCRSLRFDDKPDYSYLRQLFRNLFHRQGFSYDYVFDWNMLK
UniProt reference sequence
YRLGRKIGSGSFGDIYLGANIASGEEVAIKLECVKTKHPQLHIESKFYKMMQGGVGIPSIKWCGAEGDYNVMVMELLGPSLEDLFNFCSRKFSLKTVLLLADQMISRIEYIHSKNFIHRDVKPDNFLMGLGKKGNLVYIIDFGLAKKYRDARTHQHIPYRENKNLTGTARYASINTHLGIEQSRRDDLESLGYVLMYFNLGSLPWQGLKAATKRQKYERISEKKMSTPIEVLCKGYPSEFSTYLNFCRSLRFDDKPDYSYLRQLFRN
Aligned reference sequence
YRLG----------------RKIGSGS----------------FGDIYLGAN--IA------------------------------------SGEEVAIKLEC--VKTK------------------------------HPQLHIESKFYKMM--Q-----------------------GGVGIPSIKWCGAEGD--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------YNVMVMELLG---------------PSLEDLFNF--CSR------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------KFSLKTVLLLADQMISRIEYIHSK---------------------------------------------NFIHRDV-----KPDNFLMGL--GKK---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------GNLVYIIDFGLAKKYRDARTH--QHIPYREN--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------KNLTGTARYASINTHLG--------------------------------IEQS-RRDDLESLGYVLMYFNLG-----------------SLPWQG--LKAATKR-----------------------------------------QKYERISEKKMST--PIEVLCKGYP-----------------------------------------------------------------------------------------------------SEFSTYLNFCRSLRFDDKPD--------------YSYLRQLFRN
Shaded segments mark residues present in the UniProt reference but not resolved in this structure.
Projected alignment
YRLG----------------RKIGS-------------------GDIYLGAN--IA------------------------------------SGEEVAIKLEC--VKTK------------------------------HPQLHIESKFYKMM--Q-----------------------GGVGIPSIKWCGAEGD--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------YNVMVMELLG---------------PSLEDLFNF--CSR------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------KFSLKTVLLLADQMISRIEYIHSK---------------------------------------------NFIHRDV-----KPDNFLMGL--GKK---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------GNLVYIIDFGLAKKYRDARTH--QHIPYREN--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------KNLTGTARYASINTHLG--------------------------------IEQS-RRDDLESLGYVLMYFNLG-----------------SLPWQG--LKAATKR-----------------------------------------QKYERISEKKMST--PIEVLCKGYP-----------------------------------------------------------------------------------------------------SEFSTYLNFCRSLRFDDKPD--------------YSYLRQLFRN
Activation segment
DFGLAKKYRDARTH--QHIPYREN--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------KNLTGTARYASIN
Binding pocket
RKIGSG___DIYLVAIKLEQLHIESKFYKMMQVGIPSIKWCVMVMELLG_PSLEDLFNFYIHSKNFIHRDVKPDNFLMIIDFGLA
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 4HOK, Chain E