https://www.ncbi.nlm.nih.gov/Structure/pdb/6RSX
6RSX: Regulatory Subunit of cAMP-dependant Protein Kinase A from Euglena gracilis at 1.6 A...
Regulatory Subunit of Protein Kinase A (cAMP-dependent) from Euglena gracilisADENOSINE-3',5'-CYCLIC-MONOPHOSPHATE