May be involved in plant development processes. ATP + L-seryl-[protein] = ADP + H(+) + O-phospho-L-seryl-[protein] ATP + L-threonyl-[protein] = ADP + H(+) + O-phospho-L-threonyl-[protein] Interacts with DIS1. Localizes in cytoplasmic spots associated with tubulin. Expressed in anthers, pistils and leaves. Ubiquitinated by the E3 ligase DIS1. Ubiquitination of NEK6 leads to its degradation via the 26S proteasome-dependent pathway. Belongs to the protein kinase superfamily. NEK Ser/Thr protein kinase family. NIMA subfamily.