4WB6 Chain B
cAMP-dependent protein kinase catalytic subunit alpha (PRKACA)
Active — 98.8%DFG-inαC-inATPlike · ATP
Resolution
2.1 Å
R-value
0.19
Predicted activity confidence98.8%
Structure info
Alternate conformation—
Missing atoms0
Missing residues0
Salt bridge (KinCore)Saltbr-in
Sequence info
PDB sequence
KGEQESVKEFLAKAKEDFLKKWESPAQNTAHLDQFERIKTLGTGSFGRVMLVKHKETGNHYAMKILDKQKVVKLKQIEHTLNEKRILQAVNFPFLVKLEFSFKDNSNLYMVMEYVPGGEMFSHLRRIGRFSEPHARFYAAQIVLTFEYLHSLDLIYRDLKPENLLIDQQGYIQVTDFGFAKRVKGRTWLCGTPEYRAPEIILSKGYNKAVDWWALGVLIYEMAAGYPPFFADQPIQIYEKIVSGKVRFPSHFSSDLKDLLRNLLQVDLTKRFGNLKNGVNDIKNHKWFATTDWIAIYQRKVEAPFIPKFKGPGDTSNFDDYEEEEIRVINEKCGKEFSEF
UniProt reference sequence
FERIKTLGTGSFGRVMLVKHKETGNHYAMKILDKQKVVKLKQIEHTLNEKRILQAVNFPFLVKLEFSFKDNSNLYMVMEYVPGGEMFSHLRRIGRFSEPHARFYAAQIVLTFEYLHSLDLIYRDLKPENLLIDQQGYIQVTDFGFAKRVKGRTWTLCGTPEYLAPEIILSKGYNKAVDWWALGVLIYEMAAGYPPFFADQPIQIYEKIVSGKVRFPSHFSSDLKDLLRNLLQVDLTKRFGNLKNGVNDIKNHKWF
Aligned reference sequence
FERI----------------KTLGTGS----------------FGRVMLVKH--KE------------------------------------TGNHYAMKILD--KQKVVKLKQ-------------------------IEHTLNEKRILQAV--------------------------NFPFLVKLEFSFKDNS--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------NLYMVMEYVPG--------------GEMFSHLRR--IG-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------RFSEPHARFYAAQIVLTFEYLHSL---------------------------------------------DLIYRDL-----KPENLLIDQ--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------QGYIQVTDFGFAKRVKGRT--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------WTLCGTPEYLAPEIILS--------------------------------KGYN-KAVDWWALGVLIYEMAAG-----------------YPPFFA--------------------------------------------------DQPIQIYEKIVSG--KVRFPSHFS------------------------------------------------------------------------------------------------------SDLKDLLRNLLQVDLTKRFG--NLKNG-------VNDIKNHKWF
Shaded segments mark residues present in the UniProt reference but not resolved in this structure.
Projected alignment
FERI----------------KTLGTGS----------------FGRVMLVKH--KE------------------------------------TGNHYAMKILD--KQKVVKLKQ-------------------------IEHTLNEKRILQAV--------------------------NFPFLVKLEFSFKDNS--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------NLYMVMEYVPG--------------GEMFSHLRR--IG-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------RFSEPHARFYAAQIVLTFEYLHSL---------------------------------------------DLIYRDL-----KPENLLIDQ--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------QGYIQVTDFGFAKRVKGRT--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------W-LCGTPEYRAPEIILS--------------------------------KGYN-KAVDWWALGVLIYEMAAG-----------------YPPFFA--------------------------------------------------DQPIQIYEKIVSG--KVRFPSHFS------------------------------------------------------------------------------------------------------SDLKDLLRNLLQVDLTKRFG--NLKNG-------VNDIKNHKWF
Activation segment
DFGFAKRVKGRT--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------W-LCGTPEYRAPE
Binding pocket
KTLGTGSFGRVMLYAMKILHTLNEKRILQAVNPFLVKLEFSYMVMEYVPGGEMFSHLRRYLHSLDLIYRDLKPENLLIVTDFGFA
Ligand info
Orthosteric ligand
ATP
Allosteric ligand
None
Ligand typeATPlike
Consensus conformation
DFG conformationin
αC-helix conformationin
Predicted activityactive
KinaDB — structure detail · data from Browse_each_pdb_structure.csv · PDB 4WB6, Chain B