protein kinase family protein. Identical to Cysteine-rich receptor-like protein kinase 21 precursor (CRK21) [Arabidopsis Thaliana] (GB:Q3E9X6;GB:O65480;GB:Q8LPL4); similar to protein kinase family protein [Arabidopsis thaliana] (TAIR:AT4G11460.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO63725.1); contains InterPro domain Protein of unknown function DUF26 (InterPro:IPR002902); contains InterPro domain Serine/threonine protein kinase; (InterPro:IPR002290); contains InterPro domain Protein kinase, core; (InterPro:IPR000719); contains InterPro domain Protein kinase-like (InterPro:IPR011009); contains InterPro domain Serine/thr