4RQK Chain A
3-phosphoinositide-dependent protein kinase 1 (PDPK1)
Active — 99.9%DFG-inαC-outATPlike,Allosteric · ATP
Resolution
1.55 Å
R-value
0.133
Predicted activity confidence99.9%
Structure info
Alternate conformationB
Missing atoms28
Missing residues0
Salt bridge (KinCore)Saltbr-in
Sequence info
PDB sequence
PRKKRPEDFKFGKILGEGSFSTVVLARELATSREYAIKILEKRHIIKENKVPYVTRERDVMSRLDHPFFVKLYFTFQDDEKLYFGLSYAKNGELLKYIRKIGSFDETCTRFYTAEIVSALEYLHGKGIIHRDLKPENILLNEDMHIQITDFGTAKVLSPESKQARANFVGTAQYVSPELLTEKSACKSSDLWALGCIIYQLVAGLPPFRAGNEGLIFAKIIKLEYDFPEKFFPKARDLVEKLLVLDATKRLGCEEMEGYGPLKAHPFFESVTWENLHQQTPPKLT
UniProt reference sequence
FKFGKILGEGSFSTVVLARELATSREYAIKILEKRHIIKENKVPYVTRERDVMSRLDHPFFVKLYFTFQDDEKLYFGLSYAKNGELLKYIRKIGSFDETCTRFYTAEIVSALEYLHGKGIIHRDLKPENILLNEDMHIQITDFGTAKVLSPESKQARANSFVGTAQYVSPELLTEKSACKSSDLWALGCIIYQLVAGLPPFRAGNEYLIFQKIIKLEYDFPEKFFPKARDLVEKLLVLDATKRLGCEEMEGYGPLKAHPFF
Aligned reference sequence
FKFG----------------KILGEGS----------------FSTVVLARE--LA------------------------------------TSREYAIKILE--KRHIIKENK-------------------------VPYVTRERDVMSRL--------------------------DHPFFVKLYFTFQDDE--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------KLYFGLSYAKN--------------GELLKYIRK--IG-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------SFDETCTRFYTAEIVSALEYLHGK---------------------------------------------GIIHRDL-----KPENILLNE--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------DMHIQITDFGTAKVLSPESKQ--ARA-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------NSFVGTAQYVSPELLTE--------------------------------KSAC-KSSDLWALGCIIYQLVAG-----------------LPPFRA--------------------------------------------------GNEYLIFQKIIKL--EYDFPEKFF------------------------------------------------------------------------------------------------------PKARDLVEKLLVLDATKRLG--CEEMEG------YGPLKAHPFF
Shaded segments mark residues present in the UniProt reference but not resolved in this structure.
Projected alignment
FKFG----------------KILGEGS----------------FSTVVLARE--LA------------------------------------TSREYAIKILE--KRHIIKENK-------------------------VPYVTRERDVMSRL--------------------------DHPFFVKLYFTFQDDE--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------KLYFGLSYAKN--------------GELLKYIRK--IG-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------SFDETCTRFYTAEIVSALEYLHGK---------------------------------------------GIIHRDL-----KPENILLNE--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------DMHIQITDFGTAKVLSPESKQ--ARA-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------N-FVGTAQYVSPELLTE--------------------------------KSAC-KSSDLWALGCIIYQLVAG-----------------LPPFRA--------------------------------------------------GNEGLIFAKIIKL--EYDFPEKFF------------------------------------------------------------------------------------------------------PKARDLVEKLLVLDATKRLG--CEEMEG------YGPLKAHPFF
Activation segment
DFGTAKVLSPESKQ--ARA-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------N-FVGTAQYVSPE
Binding pocket
KILGEGSFSTVVLYAIKILYVTRERDVMSRLDPFFVKLYFTYFGLSYAKNGELLKYIRKYLHGKGIIHRDLKPENILLITDFGTA
Ligand info
Orthosteric ligand
ATP
Allosteric ligand
R1S
Ligand typeATPlike,Allosteric
Consensus conformation
DFG conformationin
αC-helix conformationout
Predicted activityactive
KinaDB — structure detail · data from Browse_each_pdb_structure.csv · PDB 4RQK, Chain A