CRYSTAL STRUCTURE OF THE CATALYTIC SUBUNIT OF CYCLIC ADENOSINE MONOPHOSPHATE-DEPENDENT PROTEIN KINASE

RESIDUES SER E 139, THR E 197, AND SER E 338 ARE PHOSPHORYLATED.

Structure of a Peptide Inhibitor Bound to the Catalytic Subunit of Cyclic Adenosine Monophosphate-Dependent Protein Kinase

Expression of the Catalytic Subunit of C/AMP-Dependent Protein Kinase in Escherichia Coli

cAMP-DEPENDENT PROTEIN KINASE, CATALYTIC SUBUNIT

GNAAAAKKGSEQESVKEFLAKAKEDFLKKWETPSQNTAQLDQFDRIKTLGTGSFGRVMLVKHKESGNHYAMKILDKQKVV
KLKQIEHTLNEKRILQAVNFPFLVKLEFSFKDNSNLYMVMEYVAGGEMFSHLRRIGRF(SEP)EPHARFYAAQIVLTFEY
LHSLDLIYRDLKPENLLIDQQGYIQVTDFGFAKRVKGRTW(TPO)LCGTPEYLAPEIILSKGYNKAVDWWALGVLIYEMA
AGYPPFFADQPIQIYEKIVSGKVRFPSHFSSDLKDLLRNLLQVDLTKRFGNLKNGVNDIKNHKWFATTDWIAIYQRKVEA
PFIPKFKGPGDTSNFDDYEEEEIRV(SEP)INEKCGKEFTEF

GNAAAAKKGSEQESVKEFLAKAKEDFLKKWETPSQNTAQLDQFDRIKTLGTGSFGRVMLVKHKESGNHYAMKILDKQKVV
KLKQIEHTLNEKRILQAVNFPFLVKLEFSFKDNSNLYMVMEYVAGGEMFSHLRRIGRFSEPHARFYAAQIVLTFEYLHSL
DLIYRDLKPENLLIDQQGYIQVTDFGFAKRVKGRTWTLCGTPEYLAPEIILSKGYNKAVDWWALGVLIYEMAAGYPPFFA
DQPIQIYEKIVSGKVRFPSHFSSDLKDLLRNLLQVDLTKRFGNLKNGVNDIKNHKWFATTDWIAIYQRKVEAPFIPKFKG
PGDTSNFDDYEEEEIRVSINEKCGKEFTEF

RESIDUE GLY 52 HAS VERY WEAK ELECTRON DENSITY COMPARED TO ITS CONNECTED NEIGHBORING RESIDUES.