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 KINB1 and KINB2 via its N-terminal part (PubMed:29945970). Forms homodimer and heterodimer with FLZ2 and FLZ10 in vitro (PubMed:29945970). Down-regulated by glucose and sucrose but up-regulated by mannose. Belongs to the FLZ family. Truncated N-terminus.