4BDK Chain A
Serine/threonine-protein kinase Chk2 (CHEK2)
Inactive — 9.0%DFG-inαC-inType1 · RQQ
Resolution
3.3 Å
R-value
0.171
Predicted activity confidence9.0%
Structure info
Alternate conformation—
Missing atoms36
Missing residues4
Salt bridge (KinCore)Saltbr-none
Sequence info
PDB sequence
VYPKALRDEYIMSKTLGGEVKLAFERKTCKKVAIKIISKALNVETEIEILKKLNHPCIIKIKNFFDAEDYYIVLELMEGGELFDKVVGNKRLKEATCKLYFYQMLLAVQYLHENGIIHRDLKPENVLLSSQEEDCLIKITDFGHSKILGETSLMRTLCGTPTYLAPEVLVSVGTAGYNRAVDCWSLGVILFICLSGYPPFSEHRTQVSLKDQITSGKYNFIPEVWAEVSEKALDLVKKLLVVDPKARFTTEEALRHPWLQDEDMKRKFQDLLSEENESTALPQVLA
UniProt reference sequence
YIMSKTLGSGACGEVKLAFERKTCKKVAIKIISKRKFAIGSAREADPALNVETEIEILKKLNHPCIIKIKNFFDAEDYYIVLELMEGGELFDKVVGNKRLKEATCKLYFYQMLLAVQYLHENGIIHRDLKPENVLLSSQEEDCLIKITDFGHSKILGETSLMRTLCGTPTYLAPEVLVSVGTAGYNRAVDCWSLGVILFICLSGYPPFSEHRTQVSLKDQITSGKYNFIPEVWAEVSEKALDLVKKLLVVDPKARFTTEEALRHPWL
Aligned reference sequence
YIMS----------------KTLGSGA----------------CGEVKLAFE--RK------------------------------------TCKKVAIKIIS--KRKFAIGSAREADP--------------------ALNVETEIEILKKL--------------------------NHPCIIKIKNFFDAE---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------DYYIVLELMEG--------------GELFDKVVG--NK-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------RLKEATCKLYFYQMLLAVQYLHEN---------------------------------------------GIIHRDL-----KPENVLLSS--QEE---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------DCLIKITDFGHSKILGETSLM------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------RTLCGTPTYLAPEVLVS--VGT---------------------------AGYN-RAVDCWSLGVILFICLSG-----------------YPPFSE--H-----------------------------------------------RTQVSLKDQITSG--KYNFIPEVWAEVS--------------------------------------------------------------------------------------------------EKALDLVKKLLVVDPKARFT--------------TEEALRHPWL
Shaded segments mark residues present in the UniProt reference but not resolved in this structure.
Projected alignment
YIMS----------------KTLG--------------------GEVKLAFE--RK------------------------------------TCKKVAIKIIS--K---------------------------------ALNVETEIEILKKL--------------------------NHPCIIKIKNFFDAE---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------DYYIVLELMEG--------------GELFDKVVG--NK-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------RLKEATCKLYFYQMLLAVQYLHEN---------------------------------------------GIIHRDL-----KPENVLLSS--QEE---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------DCLIKITDFGHSKILGETSLM------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------RTLCGTPTYLAPEVLVS--VGT---------------------------AGYN-RAVDCWSLGVILFICLSG-----------------YPPFSE--H-----------------------------------------------RTQVSLKDQITSG--KYNFIPEVWAEVS--------------------------------------------------------------------------------------------------EKALDLVKKLLVVDPKARFT--------------TEEALRHPWL
Activation segment
DFGHSKILGETSLM------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------RTLCGTPTYLAPE
Binding pocket
KTLG____GEVKLVAIKIINVETEIEILKKLNPCIIKIKNFYIVLELMEGGELFDKVVGYLHENGIIHRDLKPENVLLITDFGHS
Ligand info
Orthosteric ligand
RQQ
Allosteric ligand
None
Ligand typeType1
Consensus conformation
DFG conformationin
αC-helix conformationin
Predicted activityinactive
KinaDB — structure detail · data from Browse_each_pdb_structure.csv · PDB 4BDK, Chain A