May act as an adapter to facilitate the interaction of SnRK1 complex with effector proteins, conferring tissue- and stimulus-type specific differences in the SnRK1 regulation pathway. Interacts with KIN10 and KIN11 via its FLZ-type zinc finger domain (PubMed:24600465, PubMed:29945970). Interacts with KINB3 via its N-terminal part (PubMed:29945970). Forms homodimer and heterodimer with FLZ1, FLZ2 and FLZ15 in vitro (PubMed:29945970). Down-regulated by glucose, sucrose and mannose. Belongs to the FLZ family. Extended N-terminus. Extended N-terminus.