Enables adenyl ribonucleotide binding activity; protein kinase binding activity; and protein kinase regulator activity. Contributes to AMP-activated protein kinase activity. Involved in regulation of catalytic activity. Part of nucleotide-activated protein kinase complex. Orthologous to human PRKAG1 (protein kinase AMP-activated non-catalytic subunit gamma 1). [provided by Alliance of Genome Resources, Apr 2022]