The function of Ensembl gene identifier ENSG00000108946 (PRKAR1A, protein kinase cAMP-dependent type I regulatory subunit alpha) is as follows. Regulatory subunit of the cAMP-dependent protein kinases involved in cAMP signaling in cells. {ECO:0000269|PubMed:16491121, ECO:0000269|PubMed:20215566, ECO:0000269|PubMed:26405036, ECO:0000269|PubMed:35977512}.