protein kinase family protein. similar to CIPK21 (CBL-INTERACTING PROTEIN KINASE 21), kinase [Arabidopsis thaliana] (TAIR:AT5G57630.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO43314.1); contains InterPro domain Protein kinase, core; (InterPro:IPR000719); contains InterPro domain Protein kinase-like (InterPro:IPR011009); contains InterPro domain Serine/threonine protein kinase, active site; (InterPro:IPR008271)