1cdk
Camp-dependent protein kinase catalytic subunit (e.c.2.7.1.37) (protein kinase a) complexed with protein kinase inhibitor peptide fragment 5-24 (pki(5-24) isoelectric variant ca) and mn2+ adenylyl imidodiphosphate (mnamp-pnp) at ph 5.6 and 7c and 4c