4BDA Chain A
Serine/threonine-protein kinase Chk2 (CHEK2)
Inactive — 1.2%DFG-inαC-inType1 · VFB
Resolution
2.6 Å
R-value
0.183
Predicted activity confidence1.2%
Structure info
Alternate conformation—
Missing atoms23
Missing residues4
Salt bridge (KinCore)Saltbr-in
Sequence info
PDB sequence
MSVYPKALRDEYIMSKTLGSEVKLAFERKTCKKVAIKIISKNVETEIEILKKLNHPCIIKIKNFFDAEDYYIVLELMEGGELFDKVVGNKRLKEATCKLYFYQMLLAVQYLHENGIIHRDLKPENVLLSSQEEDCLIKITDFGHSKILETSLMRTLCGTPTYLAPEVLVSVGTAGYNRAVDCWSLGVILFICLSGYPPFSEHRTQVSLKDQITSGKYNFIPEVWAEVSEKALDLVKKLLVVDPKARFTTEEALRHPWLQDEDMKRKFQDLLSEENESTALPQVL
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----------------KTLGS--------------------EVKLAFE--RK------------------------------------TCKKVAIKIIS--K-----------------------------------NVETEIEILKKL--------------------------NHPCIIKIKNFFDAE---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------DYYIVLELMEG--------------GELFDKVVG--NK-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------RLKEATCKLYFYQMLLAVQYLHEN---------------------------------------------GIIHRDL-----KPENVLLSS--QEE---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------DCLIKITDFGHSKIL-ETSLM------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------RTLCGTPTYLAPEVLVS--VGT---------------------------AGYN-RAVDCWSLGVILFICLSG-----------------YPPFSE--H-----------------------------------------------RTQVSLKDQITSG--KYNFIPEVWAEVS--------------------------------------------------------------------------------------------------EKALDLVKKLLVVDPKARFT--------------TEEALRHPWL
Activation segment
DFGHSKIL-ETSLM------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------RTLCGTPTYLAPE
Binding pocket
KTLGS____EVKLVAIKIINVETEIEILKKLNPCIIKIKNFYIVLELMEGGELFDKVVGYLHENGIIHRDLKPENVLLITDFGHS
Ligand info
Orthosteric ligand
VFB
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 4BDA, Chain A